Thales of Miletus

Cosmology Ancient Greek -624 – -546 337 quotes

Considered the first philosopher and scientist, he proposed that water was the fundamental element of the universe.

Quotes by Thales of Miletus

The stars are made of earth, but fiery.

Attributed by Aetius

Eclipses of the sun occur when the moon passes in front of it.

Attributed by Herodotus, Histories (referring to his prediction)

The most pleasant thing is to succeed.

Attributed by Diogenes Laërtius

The most useful thing is iron.

Attributed by Diogenes Laërtius

The most excellent thing is to be born.

Attributed by Diogenes Laërtius

The most common thing is hope.

Attributed by Diogenes Laërtius

The most beautiful thing is the cosmos.

Attributed by Diogenes Laërtius

The most ancient thing is God, for he is uncreated.

Attributed by Diogenes Laërtius

Water is the best.

Stobaeus, Anthologium

Hope is the only good that is common to all men; those who have nothing else have always hope.

Diogenes Laërtius, Lives of Eminent Philosophers

What is the most difficult? To know yourself. What is the easiest? To give advice to another.

Diogenes Laërtius, Lives of Eminent Philosophers

Many words do not prove a man wise.

Stobaeus, Anthologium

Nothing is older than God, for he was never created.

Diogenes Laërtius, Lives of Eminent Philosophers

Nothing is more active than thought, for it travels over the whole universe.

Diogenes Laërtius, Lives of Eminent Philosophers

Nothing is stronger than necessity, for all must submit to it.

Diogenes Laërtius, Lives of Eminent Philosophers

What is divine? That which has neither beginning nor end.

Diogenes Laërtius, Lives of Eminent Philosophers

The world is the most beautiful of things, for it is the work of God.

Diogenes Laërtius, Lives of Eminent Philosophers

He was once led out of his house by an old woman to look at the stars, and fell into a ditch, whereupon the old woman exclaimed, 'How can you expect to know what is going on in the heavens, when you cannot see what is at your feet?'

Plato, Theaetetus

When asked what was common to all men, he said, 'Hope; for those who have nothing else have that.'

Diogenes Laërtius, Lives of Eminent Philosophers

When asked what was difficult, he said, 'To know oneself.' When asked what was easy, he said, 'To give advice to another.'

Diogenes Laërtius, Lives of Eminent Philosophers