Pythagoras of Samos

Mathematics Greek -570 – -495 260 quotes

An ancient Greek philosopher and mathematician, credited with the Pythagorean theorem and the founding of the Pythagorean school.

Most quoted

"Do not allow sleep to close your eyelids, before you have reviewed all your actions of the day. How have I erred? What have I done? What have I left undone? Begin from the first and go through to the last; and then, for the evil acts, chide yourself, and for the good rejoice."

— from The Golden Verses of Pythagoras

"Do not allow sleep to close your eyelids, before you have reviewed all your actions of the day. How have I erred? What have I done? What have I left undone? Begin from the first and go through to the last; and then, for the bad, be vexed, and for the good, be glad."

— from The Golden Verses of Pythagoras

"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."

— from Attributed by Ovid, -500

All quotes by Pythagoras of Samos (260)

All things are numbers.

Attributed by Aristotle and others -500

The universe is a harmony of numbers.

Attributed by various sources -500

There are two kinds of numbers: the one that is divine and the other that is human.

Attributed by various sources -500

The highest wisdom is to know oneself.

Attributed by various sources -500

The soul is a self-moving number.

Attributed by various sources -500

The world is a living being, endowed with soul and intelligence.

Attributed by various sources -500

The most perfect number is six, because it is the sum of its divisors.

Attributed by various sources -500

The tetractys is the source and root of everlasting nature.

Attributed by various sources -500

The harmony of the spheres.

Attributed by various sources -500

The greatest blessing granted to mankind comes by way of madness, which is a divine gift.

Attributed by various sources -500

Number is the ruler of forms and ideas and the cause of gods and men.

Oral tradition -550

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

Attributed in later Pythagorean texts -530

Do not eat your heart; it is better to suffer in silence.

Oral tradition -520

Friends share all things in common.

Pythagorean sayings -540

The soul is immortal, and like the heavenly bodies above, it is enclosed in a circle.

Attributed by Plato -560

Reason is immortal, all else mortal.

Oral tradition -550

God is a circle whose center is everywhere and circumference nowhere.

Attributed in Hermetica -530

Choose rather to be strong of soul than strong of body.

Pythagorean maxims -540

In anger we should refrain both from speech and action.

Oral tradition -520

The highest discovery of all is that there is a God and He is just.

Attributed by Diogenes Laërtius -560

Contemporaries of Pythagoras of Samos

Other Mathematicss born within 50 years of Pythagoras of Samos (-570–-495).