Diogenes LaertiusThinkers

Bachelorhood is wise — young men not ought to marry yet, and old men never ought to marry at all.

Cosmopolitanism is the state of being a citizen of the world.

Madness is held at bay from most men by but a finger's breadth.

A Market is a place set apart where men may deceive each other.

Marriage is unwise — young men not ought to marry yet, and old men never ought to marry at all.

Plato is the first author who wrote treatises in the form of dialogues … And as he argued against almost every one who had lived before his time, it is often asked why he has never mentioned Democritus.

Plato is first of all men famed for pure justice and moral virtue.

The Sun is not polluted when it shines into cesspools.

Time is the most valuable thing that a man can spend.