He was called the wisest man in Athens.

Wrote about the ideal state that should be governed only by wise people.

He first mentioned Atlantis in one of his dialogues.

He won two Olympic competitions.

He discussed problems with his advanced students while working in the garden. Because he walked about while teaching his school was called Peripatetic (which means "to walk about") school.

He fought bravely for Athens in the Peloponnesian War and in one of the battles saved the life of one of his friends.

He built a seven-note harmonic musical scale.

His works survived only in the writing of his students.

His philosophy also influenced the civilization of all of eastern Asia.

At the age of 22 he opened a school where he accepted children only for a small fee and those who couldn't afford to pay for their education - without a fee.

He was sentenced to death as a heretic.

He emphasized the importance of having high moral principles as the basis of wisdom.

Explained his ideas in the form of dialogues.