The Interpretation of the Laws of Nature in a Common-wealth, dependeth not on the books of Moral Philosophy. The Authority of writers, without the Authority of the Commonwealth, maketh not their opinions Law, be they never so true.

Let words proceed as they please, provided only your soul keeps its own sure order, provided your soul is great and holds unruffled to its ideals, pleased with itself on account of the very things which displease others, a soul that makes life the test of its progress, and believes that its knowledge is in exact proportion to its freedom from desire and its freedom from fear.

I should have loved freedom, I believe, at all times, but in the time in which we live I am ready to worship it.

The fact is he made a prodigious blunder in commencing the attack, and now his only chance is to be silent and let people forget the exposure. I do not believe that in the whole history of science there is a case of any man of reputation getting himself into such a contemptible position.

As for the beauty of the gods, not even Hermes tried to describe it in his tale; he said that it transcended description, and must be comprehended by the eye of the mind; for in words it was hard to portray and impossible to convey to mortal ears. Never indeed will there be or appear an orator so gifted that he could describe such surpassing beauty as shines forth on the countenance of the gods.

There are few with whom I can communicate so freely as with Pope. But Pope cannot bear every truth. He has a timidity which hinders the full exertion of his faculties, almost as effectually as bigotry cramps those of the general herd of mankind. But whoever is a genuine follower of truth keeps his eye steady upon his guide, indifferent whither he is led, provided that she is the leader. And, my Lord, if it may be properly considered, it were infinitely better to remain possessed by the whole legion of vulgar mistakes, than to reject some, and, at the same time, to retain a fondness for others altogether as absurd and irrational. The first has at least a consistency, that makes a man, however erroneously, uniform at least; but the latter way of proceeding is such an inconsistent chimera and jumble of philosophy and vulgar prejudice, that hardly anything more ridiculous can be conceived.

...there are more things to admire in men than to despise.

It is the nature and intention of a constitution to prevent governing by party, by establishing a common principle that shall limit and control the power and impulse of party, and that says to all parties, thus far shalt thou go and no further. But in the absence of a constitution, men look entirely to party; and instead of principle governing party, party governs principle.

The most profound joy has more of gravity than of gaiety in it.

People hate it when they're tickled because laughter is not pleasant, if it goes on too long. I think it's a desperate sort of convulsion in desperate circumstances, which helps a little.

No protracted war can fail to endanger the freedom of a democratic country.

I have said that, in a sense, the parasites were a 'shadow' of man's cowardice and passivity. Their strength could increase in an atmosphere of defeat and panic, for it fed on human fear. In that case, the best way to combat them was to change the atmosphere to one of strength and purpose.

The only good histories are those that have been written by the persons themselves who commanded in the affairs whereof they write.

Philosophy is not politics, and we do our best, within our all-too-human limitations, to seek the truth, not to score points against opponents. There is little satisfaction in gaining an easy triumph over a weak opponent while ignoring better arguments against your views. 

Instead of enabling humans to improve their lot, science degrades the natural environment in which humans must live. Instead of enabling death to be overcome, it produces ever more powerful technologies of mass destruction. None of this is the fault of science; what it shows is that science is not sorcery. The growth of knowledge enlarges what humans can do. It cannot reprieve them from being what they are.

He that dies in extreme old age will be reduced to the same state with him that is cut down untimely.

There is no good father who would want to resemble our Heavenly Father.

He who has injured thee was either stronger or weaker than thee. If weaker, spare him; if stronger, spare thyself.

The artist is the person who invents the means to bridge biological inheritance and the environments created by technological innovation.

Ah, Postumus! they fleet away, our years, nor piety one hour can win from wrinkles and decay, and Death's indomitable power.

If we want eternal life, then we'll need to rewrite our bug-ridden genetic code and become god-like. "May all that have life be delivered from suffering", said Gautama Buddha. It's a wonderful sentiment. Sadly, only hi-tech solutions can ever eradicate suffering from the living world. Compassion alone is not enough.

Marriage is tough, because it is woven of all these various elements, the weak and the strong. "In love-ness" is fragile for it is woven only with the gossamer threads of beauty. It seems to me absurd to talk about "happy" and "unhappy" marriages.

The Kropotkins, the Perovskayas, the Breshkovskayas, and hosts of others repudiated wealth and station and refused to serve King Mammon. They went among the people, not to lift them up but themselves to be lifted up, to be instructed, and in return to give themselves wholly to the people. That accounts for the heroism, the art, the literature of Russia, the unity between the people, the mujik and the intellectual. That to some extent explains the literature of all European countries, the fact that the Strindbergs, the Hauptmanns, the Wedekinds, the Brieux, the Mirbeaus, the Steinlins and Rodins have never dissociated themselves from the people.

If the present Congress errs in too much talking, how can it be otherwise in a body to which the people send 150 lawyers, whose trade it is to question everything, yield nothing, and to talk by the hour?

The bourgeoisie hides the fact that it is the bourgeoisie and thereby produces myth; revolution announces itself openly as revolution and thereby abolishes myth.

Here then is what we understand by these words: "the equalization of the classes." It would perhaps have been better to say suppression of the classes, the unification of society by the abolition of economic and social inequality. But we have also demanded the equalization of the individuals, and it is there especially that we attract all the thunderbolts of outraged eloquence from our adversaries. One has made use of that part of our proposition to prove in a conclusive manner that we are nothing but communists.

Treat your friend as if he might become an enemy.

Socrates was ennobled by the hemlock draught. Wrench from Cato's hand his sword, the vindicator of liberty, and you deprive him of the greatest share of his glory.

The belief in unity that has fuelled so many utopian dreams is an effort to reconcile the irreconcilable that ends in repression. Berlin suggests we renounce this venerable faith, and learn how to live with intractable conflict.

I do not say this, that I think there should be no difference of opinions in conversation, nor opposition in men's discourses... 'Tis not the owning one's dissent from another, that I speak against, but the manner of doing it.

There are, besides, eternal truths, such as Freedom, Justice, etc., that are common to all states of society. But Communism abolishes eternal truths, it abolishes all religion, and all morality, instead of constituting them on a new basis; it therefore acts in contradiction to all past historical experience.

Perhaps it is not true to speak of God as a judge at all, or of his judgements. There does not seem to be really any evidence that His worlds are places of trial but rather schools, place of training, or that He is a judge but rather a Teacher, a Trainer, not in the imperfect sense in which men are teachers, but in the sense of His contriving and adapting His whole universe for one purpose of training every intelligent being to be perfect. ... I think God would not be the Almighty, the All-Wise, the All-Good, if he were the judge, in the sense that the evangelical and Roman Catholic Christians impute judgement to him. ... Our business is, I think, to understand, not to judge. What He does, as far as we know, to rule by law down to the most infinitesimally small portion of His universe, not to judge.

It is an odd fact that anyone who wishes to start a war must always make it appear that he is fighting in a just cause even if the real motive is naked aggression. Fortunately for the would-be aggressor, a "just cause" is very easy to find.

This is a strange -- and rather alarming -- realisation. For it clearly implies that masturbation is one of our highest faculties that human beings have developed. Many animals masturbate -- but never without the presence of another animal, or some similar stimulus. A human being can masturbate in an empty room: a triumph of pure imagination.

[B]ecause that which is finite is always bounded with reference to something... it is necessary that there should be no end... [N]umber also appears to be infinite, and mathematical magnitudes, and that which is beyond the heavens. And since that which is beyond is infinite, body also appears to be infinite, and it would seem that there are infinite worlds; for why is there rather void here than there? ...If also there is a vacuum, and an infinite place, it is necessary that there should be an infinite body: for in things which have a perpetual subsistence, capacity differs nothing from being. The speculation of the infinite is, however, attended with doubt: for many impossibilities happen both to those who do not admit that it has a subsistence, and to those who do. ...It is ...especially the province of a natural philosopher to consider if there be a sensible infinite magnitude.

Great novelists are philosopher-novelists who write in images instead of arguments.

The notion of nothingness is not characteristic of laboring humanity: those who toil have neither time nor inclination to weigh their dust; they resign themselves to the difficulties or the doltishness of fate; they hope: hope is a slave's virtue.

Is Christ only to be adored? Or is the holy Mother of God rather not to be honoured? This is the woman who crushed the Serpent's head. Hear us. For your Son denies you nothing.

[France is] a Country where the people, along with their political servitude, have thrown off the Yoke of Laws and morals.

In true education, anything that comes to our hand is as good as a book: the prank of a page-boy, the blunder of a servant, a bit of table talk- they are all part of the curriculum.

The fact of the religious vision, and its history of persistent expansion, is our one ground for optimism. Apart from it, human life is a flash of occasional enjoyments lighting up a mass of pain and misery, a bagatelle of transient experience.

You shall know the truth, and the truth shall set you free.

To be in touch with senses and emotions beyond conquest is to enter the realm of the mysterious.

It is the quality of a great soul to scorn great things and to prefer that which is ordinary rather than that which is too great.

Men's hearts ought not to be set against one another; but set with one another, and all against the Evil Thing only.

When our life ceases to be inward and private, conversation degenerates into mere gossip. We rarely meet a man who can tell us any news which he has not read in a newspaper, or been told by his neighbor; and, for the most part, the only difference between us and our fellow is, that he has seen the newspaper, or been out to tea, and we have not. In proportion as our inward life fails, we go more constantly and desperately to the post-office.

The entire history of social improvement has been a series of transitions, by which one custom or institution after another, from being a supposed primary necessity of social existence, has passed into the rank of an universally stigmatized injustice and tyranny. So it has been with the distinctions of slaves and freemen, nobles and serfs, patricians and plebeians; and so it will be, and in part already is, with the aristocracies of colour, race, and sex.

Theory is taught so as to make the student believe that he or she can become a Marxist, a feminist, an Afrocentrist, or a deconstructionist with about the same effort and commitment required in choosing items from a menu.

A little river seems to him, who has never seen a larger river, a mighty stream; and so with other things-a tree, a man-anything appears greatest to him that never knew a greater.