The beginning is the chiefest part of any work.

What is at issue is the conversion of the mind from the twilight of error to the truth, that climb up into the real world which we shall call true philosophy.

Better a good enemy than a bad friend.

People too smart to get involved in politics are doomed to live in societies run by people who aren't.

People regard the same things, some as just and others as unjust, - about these they dispute; and so there arise wars and fightings among them.

Man is a two-legged animal without feathers.

No man should be angry with what is true.