Philosophy accepts the hard and hazardous task of dealing with problems not yet open to the methods of science - problems like good and evil, beauty and ugliness, order and freedom, life and death; so soon as a field of inquiry yields knowledge susceptible of exact formulation it is called science. Every science begins as philosophy and ends as art; it arises in hypothesis and flows into achievement.

I write to thee on this subject, friend, because I am angry at a book which I have just left, which is so large, that it seems to contain universal science, but it hath almost split my head, without teaching me anything.

Rules necessary for definitions. Not to leave any terms at all obscure or ambiguous without definition; Not to employ in definitions any but terms perfectly known or already explained.

As the Genesis story teaches, knowledge cannot save us from ourselves. If we know more than before, it means only that we have greater scope to enact our fantasies. But - as the Genesis myth also teaches - there is no way we can rid ourselves of what we know. If we try to regain a state of innocence, the result can only be a worse madness. The message of Genesis is that in the most vital areas of human life there can be no progress, only an unending struggle with our own nature.

Pay attention to your enemies, for they are the first to discover your mistakes.

The remembrance of forbidden fruit is the earliest thing in the memory of each of us, as it is in that of mankind.

As for the Soothsayer, although I am certain no one feels the true beauties of that work better than I, I am far from finding these beauties in the same places as the infatuated public does. They are not the products of study and knowledge, but rather are inspired by taste and sensitivity.

In the same manner therefore as we have laid it down that the Sun holds the supremacy in the Intelligible world, having round about his own being, in one species, a vast multitude of gods (supposing him to have the same in the Sensible world), all of which move along their everlasting and most felicitous course in a circle, so do we prove him to be Leader and Lord, imparting to and filling the whole heaven, as he does, with his own splendour, likewise with infinite other blessings that be invisible to us: whilst the benefits commenced by the other deities are brought to perfection by him; nay, more, before this, these gods themselves were rendered perfect through his spontaneous and divine operation.

I should prefer to be free from torture; but if the time comes when it must be endured, I shall desire that I may conduct myself therein with bravery, honour, and courage. Of course I prefer that war should not occur; but if war does occur, I shall desire that I may nobly endure the wounds, the starvation, and all that the exigency of war brings. Nor am I so mad as to crave illness; but if I must suffer illness, I shall desire that I may do nothing which shows lack of restraint, and nothing that is unmanly. The conclusion is, not that hardships are desirable, but that virtue is desirable, which enables us patiently to endure hardships.

The best doctor is the one you run for and can't find.

He needs no library, for he has not done thinking; no church, for he is himself a prophet; no statute book, for he hath the Lawgiver; no money, for he is value itself; no road, for he is at home where he is.

In vain, therefore, should we pretend to determine any single event, or infer any cause or effect, without the assistance of observation and experience.

He [the child] does not despise real woods because he has read of enchanted woods: the reading makes all real woods a little enchanted.

As you hope to prove your own great value to the state, and having proved it, to attain at once to absolute power, so do I indulge a hope that I shall be the supreme power over you, if I am able to prove my own great value to you. Socrates speaking to Alcibiades

Power is not opposed to freedom. It is precisely freedom that distinguishes power from violence or coercion.

Facts are ventriloquists' dummies. Sitting on a wise man's knee they may be made to utter words of wisdom; elsewhere, they say nothing, or talk nonsense, or indulge in sheer diabolism.

For myself I say deliberately, it is better to have a millstone tied round the neck and be thrown into the sea than to share the enterprises of those to whom the world has turned, and will turn, because they minister to its weaknesses and cover up the awful realities which it shudders to look at.

Death is not an event in life: we do not live to experience death. If we take eternity to mean not infinite temporal duration but timelessness, then eternal life belongs to those who live in the present. Our life has no end in just the way in which our visual field has no limits.

What matters the party to me? I shall find enough anyhow who unite with me without swearing allegiance to my flag.

It is not altogether true that persuasion is one thing and force is another. Many forms of persuasion - even many of which everybody approves - are really a kind of force. Consider what we do to our children. We do not say to them: "Some people think the earth is round, and others think it is flat; when you grow up, you can, if you like, examine the evidence and form your own conclusion." Instead of this we say: "The earth is round." By the time our children are old enough to examine the evidence, our propaganda has closed their minds.

Explore, and explore, and explore. Be neither chided nor flattered out of your position of perpetual inquiry. Neither dogmatise yourself, nor accept another's dogmatism. Why should you renounce your right to traverse the star-lit deserts of truth, for the premature comforts of an acre, house, and barn? Truth also has its roof, and bed, and board. Make yourself necessary to the world, and mankind will give you bread, and if not store of it, yet such as shall not take away your property in all men's possessions, in all men's affections, in art, in nature, and in hope.

I moreover affirm that our wisdom itself, and wisest consultations, for the most part commit themselves to the conduct of chance.

Let us not pretend to doubt in philosophy what we do not doubt in our hearts.

The wise man who has charge of governing the empire should know the cause of disorder before he can put it in order. Unless he knows its cause, he cannot regulate it.

Not being able to ban sexuality altogether, Catholicism has tried to reduce it to a mere biological fact, allowing its use in marriage only for procreation. Unlike certain ancient traditions, Catholicism has recognized no higher value, not even a potential one, in the sexual experience taken in itself. There is lacking any basis for its transformation in the interests of a more intense life, to integrate and elevate the inner tension of two beings of different sexes, whereas it is in exactly these terms that one should conceive of a concrete "sacralization" of the union and the effect of a higher influence involved in the rite.

Bernie Sanders is...an anti-racist in his heart. Two, he's old-school. He's like me. He doesn't know the buzzwords. He doesn't endorse reparations, one moment in the last 30 years, silent on it. He has the consistency over the years decade after decade and therefore it's true in his language, in his rhetoric. There are times in which he doesn't... use the same kind of buzzwords. But when it comes to his fight against racism, going to jail in Chicago as a younger brother and he would go to jail again. He and I would go to jail together again in terms of fighting against police brutality. So in that sense, I would just tell my brothers and sisters, but especially my chocolate ones that they shouldn't be blinded by certain kinds of words they're looking for, that in the end, he is a long distance runner in the struggle against white supremacy.

The zealous never fail to draw political inferences from religious tenets, by which they interest the magistrate in the dispute; and then to the heat of a religious fervour is added the fury of a party zeal. All intercourse is cut off between the parties. They lose all knowledge of each other, tho' countrymen and neighbours, and are therefore easily imposed upon with the most absurd stories concerning each other's opinions and practices. They judge of the hatred of the adverse side by their own. Then fear is added to their hatred; and preventive injuries arise from their fear. The remembrance of the past, the dread of the future, the present ill, will join together to urge them forward to the most violent courses.Such is the manner of proceeding of religious parties towards each other.

Even those who have renounced Christianity and attack it, in their inmost being still follow the Christian ideal, for hitherto neither their subtlety nor the ardor of their hearts has been able to create a higher ideal of man and of virtue than the ideal given by Christ.

I believe that none can "save" his fellow man by making a choice for him. To help him, he can indicate the possible alternatives, with sincerity and love, without being sentimental and without illusion. The knowledge and awareness of the freeing alternatives can reawaken in an individual all his hidden energies and put him on the path to choosing respect for "life" instead of for "death."

Kaufmann's Nietzsche is important for other reasons as well. It is a book that everyone seems to be familiar with but few have actually read, as if, having succeeded in upending the traditional picture of Nietzsche, it can now be safely ignored. But reading it (or rereading it) repays the effort. Kaufmann's own views are considerably more nuanced than I have been able to suggest, and his accounts of Nietzsche's dependence of Goethe, of his naturalism-the view that human beings are continuous with the rest of the animal world, in the spirit of Darwin-the mechanisms of sublimation, and his affinities with American pragmatism are genuine and lasting contributions to our understanding of this still seductive and enigmatic philosopher who is now, thanks to this book, part and parcel of our intellectual heritage. Kaufmann's Nietzsche is still very much alive, and for that reason his Nietzsche deserves to come alive once again.

There is but one mode by which man can possess in perpetuity all the happiness which his nature is capable of enjoying, - that is by the union and co-operation of all for the benefit of each. Union and co-operation in war obviously increase the power of the individual a thousand fold. Is there the shadow of a reason why they should not produce equal effects in peace; why the principle of co-operation should not give to men the same superior powers, and advantages, (and much greater) in the creation, preservation, distribution and enjoyment of wealth?

Children should from the beginning be bred up in an abhorrence of killing or tormenting any living creature; and be taught not to spoil or destroy any thing, unless it be for the preservation or advantage of some other that is nobler.

The heart unites whatever the mind separates, pushes on beyond the arena of necessity and transmutes the struggle into love.

The "social contract," in the only sense in which it is not completely mythical, is a contract among conquerors, which loses its raison d'être if they are deprived of the benefits of conquest.

To expect, indeed, that the freedom of trade should ever be entirely restored in Great Britain, is as absurd as to expect that an Oceana or Utopia should never be established in it.

Let us now enquire whether anger be in accordance with nature, and whether it be useful and worth entertaining in some measure.

I never read a book before reviewing it: it prejudices a man so.

If there is to be any philosophy at all, this contradiction must be resolved - and the solution of this problem, or answer to the question: how can we think both of Presentations as conforming to objects, and objects as conforming to presentations? is, not the first, but the highest task of transcendental philosophy.

I cannot get from the nature of the proposition to the individual logical operations!!! That is, I cannot bring out how far the proposition is the picture of the situation. I am almost inclined to give up all my efforts.

A religious creed differs from a scientific theory in claiming to embody eternal and absolutely certain truth, whereas science is always tentative, expecting that modification in its present theories will sooner or later be found necessary, and aware that its method is one which is logically incapable of arriving at a complete and final demonstration.

Behold, we go up to Jerusalem; and the Son of man shall be betrayed unto the chief priests and unto the scribes, and they shall condemn him to death, And shall deliver him to the Gentiles to mock, and to scourge, and to crucify him: and the third day he shall rise again.

If a captive mind is unaware of being in prison, it is living in error. If it has recognized the fact, even for the tenth of a second, and then quickly forgotten it in order to avoid suffering, it is living in falsehood. Men of the most brilliant intelligence can be born, live and die in error and falsehood. In them, intelligence is neither a good, nor even an asset. The difference between more or less intelligent men is like the difference between criminals condemned to life imprisonment in smaller or larger cells. The intelligent man who is proud of his intelligence is like a condemned man who is proud of his large cell.

There are as many nights as days, and the one is just as long as the other in the year's course. Even a happy life cannot be without a measure of darkness, and the word "happy" would lose its meaning if it were not balanced by sadness.

The nineteenth century, utilitarian throughout, set up a utilitarian interpretation of the phenomenon of life which has come down to us and may still be considered as the commonplace of everyday thinking. ... An innate blindness seems to have closed the eyes of this epoch to all but those facts which show life as a phenomenon of utility.

Jesus is too colossal for the pen of phrasemongers, however artful. No man can dispose of Christianity with a bon mot.

That unwise body, the United Irishmen, have had the folly to represent those Evils as owing to this Country, when in truth its chief guilt is in its total neglect, its utter oblivion, its shameful indifference and its entire ignorance, of Ireland and of every thing that relates to it, and not in any oppressive disposition towards that unknown region.

You can choose whatever name you like for the two types of government. I personally call the type of government which can be removed without violence "democracy", and the other "tyranny".

Is not the reason of the confidence of the positive, critical, experimental scientists, and of the reverent attitude of the crowd towards their doctrines, still the same? At first it seems strange how the theory of evolution (which, like the redemption in theology, serves the majority as a popular expression of the whole new creed) can justify people in their injustice, and it seems as if the scientific theory dealt only with facts and did nothing but observe facts. But that only seems so. It seemed just the same in the case of theological doctrine: theology, it seemed, was only occupied with dogmas and had no relation to people's lives, and it seemed the same with regard to philosophy, which appeared to be occupied solely with transcendental reasonings. But that only seemed so. It was just the same with the Hegelian doctrine on a large scale and with the particular case of the Malthusian teaching.

I am owner of my might, and I am so when I know myself as unique. In the unique one the owner himself returns into his creative nothing, of which he is born. Every higher essence above me, be it God, be it man, weakens the feeling of my uniqueness, and pales only before the sun of this consciousness. If I concern myself for myself, the unique one, then my concern rests on its transitory, mortal creator, who consumes himself, and I may say: All things are nothing to me.

I neither deny nor affirm the immortality of man. I see no reason for believing in it, but, on the other hand, I have no means of disproving it.