The honour of parents is a fair and noble treasure to their posterity, but to have the use of a treasure of wealth and honour, and to leave none to your successors, because you have neither money nor reputation of your own, is alike base and dishonourable.

. . . the triumph of my art is in thoroughly examining whether the thought which the mind of the young man brings forth is a false idol or a noble and true birth.

To love rightly is to love what is orderly and beautiful in an educated and disciplined way.

Wonder is the feeling of the philosopher, and philosophy begins in wonder.

Upon consideration of the central question of the moon's toughness there can be little doubt. It is hella tough.

Do not train children to learning by force and harshness, but direct them to it by what amuses their minds.

There should exist among the citizens neither extreme poverty nor again excessive wealth, for both are productive of great evil.