Without friends no one would choose to live, though he had all other goods.

It is of itself that the divine thought thinks (since it is the most excellent of things), and its thinking is a thinking on thinking.

The only way to achieve true success is to express yourself completely in service to society.

[Hope is] the dream of a waking man.

Comedy aims at representing men as worse, Tragedy as better than in actual life.

Anaximenes and Anaxagoras and Democritus say that its [the earth's] flatness is responsible for it staying still: for it does not cut the air beneath but covers it like a lid, which flat bodies evidently do: for they are hard to move even for the winds, on account of their resistance.

What you have to learn to do, you learn by doing.