When a reasonable Soul forsaketh his divine nature, and becometh beast-like, it dieth. For though the substance of the Soul be incorruptible: yet, lacking the use of Reason, it is reputed dead; for it loseth the Intellective Life.

A good Soul hath neither too great joy, nor too great sorrow: for it rejoiceth in goodness; and it sorroweth in wickedness. By the means whereof, when it beholdeth all things, and seeth the good and bad so mingled together, it can neither rejoice greatly; nor be grieved with over much sorrow.

Rest satisfied with doing well, and leave others to talk of you as they please.

There is geometry in the humming of the strings. There is music in the spacings of the spheres.

By the air which I breathe, and by the water which I drink, I will not endure to be blamed on account of this discourse.

As soon as laws are necessary for men, they are no longer fit for freedom.

Friends are as companions on a journey, who ought to aid each other to persevere in the road to a happier life.

Anger begins in folly, and ends in repentance.

Choose always the way that seems the best, however rough it may be; custom will soon render it easy and agreeable.

It is better wither to be silent, or to say things of more value than silence. Sooner throw a pearl at hazard than an idle or useless word; and do not say a little in many words, but a great deal in a few.

Truth is so great a perfection, that if God would render himself visible to men, he would choose light for his body and truth for his soul.

There are men and gods, and beings like Pythagoras.

There is no word or action but has its echo in Eternity. Thought is an Idea in transit, which when once released, never can be lured back, nor the spoken word recalled. Nor ever can the overt act be erased All that thou thinkest, sayest, or doest bears perpetual record of itself, enduring for Eternity.

There is geometry in the humming of the strings, there is music in the spacing of the spheres.

As long as Man continues to be the ruthless destroyer of lower living beings, he will never know health or peace. For as long as men massacre animals, they will kill each other. Indeed, he who sows the seed of murder and pain cannot reap joy and love.

Time is the soul of this world.

It is only necessary to make war with five things; with the maladies of the body, the ignorances of the mind, with the passions of the body, with the seditions of the city and the discords of families.

If there be light, then there is darkness; if cold, heat; if height, depth; if solid, fluid; if hard, soft; if rough, smooth; if calm, tempest; if prosperity, adversity; if life, death.

Dear youths, I warn you cherish peace divine, And in your hearts lay deep these words of mine.

The soul of man is divided into three parts, intelligence, reason, and passion. Intelligence and passion are possessed by other animals, but reason by man alone.

We ought so to behave to one another as to avoid making enemies of our friends, and at the same time to make friends of our enemies. As quoted in Diogenes Laërtius, Lives and Opinions of Eminent Philosophers, "Pythagoras", Sect. 23, as translated in Dictionary of Quotations (1906) by Thomas Benfield Harbottle, p. 320

In anger we should refrain both from speech and action.

Reason is immortal, all else mortal.

The most momentous thing in human life is the art of winning the soul to good or to evil.

Friends share all things.

Power is the near neighbour of necessity.

Number is the ruler of forms and ideas, and the cause of gods and daemons.

Sobriety is the strength of the soul, for it preserves its reason unclouded by passion.

None but God is wise.

Most men and women, by birth or nature, lack the means to advance in wealth and power, but all have the ability to advance in knowledge.

Man know thyself; then thou shalt know the Universe and God.

A blow from your friend is better than a kiss from your enemy.

Eat not the brain.

This was long thought by many to be simply a dietary proscription, and often ridiculed, but many consider it to have originally been intended as advice against getting involved in politics, for voting on issues in his time was often done by using differently colored beans. Others have stated that it might signify a more general admonition against relying on the votes of people to determine truths of reality.

Abstain from animals.

Above and before all things, worship GOD!

Above all things reverence thy Self.

Work at these things, practice them, these are the things you ought to desire; they are what will put you on the path of divine virtue - yes, by the one who entrusted our soul with the tetraktys, source of ever-flowing nature. Pray to the gods for success and get to work.

Practice justice in word and deed, and do not get in the habit of acting thoughtlessly about anything.

Know that death comes to everyone, and that wealth will sometimes be acquired, sometimes lost. Whatever griefs mortals suffer by divine chance, whatever destiny you have, endure it and do not complain. But it is right to improve it as much as you can, and remember this: Fate does not give very many of these griefs to good people.

Many words befall men, mean and noble alike; do not be astonished by them, nor allow yourself to be constrained. If a lie is told, bear with it gently. But whatever I tell you, let it be done completely. Let no one persuade you by word or deed to do or say whatever is not best for you.

Meditate upon my counsels; love them; follow them; To the divine virtues will they know how to lead thee. I swear it by the One who in our hearts engraved The sacred Tetrad, symbol immense and pure, Source of Nature and model of the Gods.

Holding fast to these things, you will know the worlds of gods and mortals which permeates and governs everything. And you will know, as is right, nature similar in all respects, so that you will neither entertain unreasonable hopes nor be neglectful of anything.

Eat not the heart.

Having departed from your house, turn not back; for the furies will be your attendants.

Write in the sand the flaws of your friend.

Educate the children and it won't be necessary to punish the men.

When going to the temple to adore Divinity neither say nor do any thing in the interim pertaining to the common affairs of life.

Sacrifice and adore unshod.

Disbelieve nothing wonderful concerning the gods, nor concerning divine dogmas.