Not to have knowledge of what happened before you were born is to be condemned to live as a child.

An agreement of rash men (a conspiracy).

Friendship improves happiness and abates misery, by the doubling of our joy and the dividing of our grief.

True law is right reason in agreement with nature;...it summons to duty by its commands, and averts from wrongdoing by its prohibitions... It is a sin to try to alter this law, nor is it allowable to attempt to repeal any part of it, and it is impossible to abolish it entirely.

A youth of sensuality and intemperance delivers over to old age a worn-out body.

It is a crime to put a Roman citizen in chains, it is an enormity to flog one, sheer murder to slay one: what, then, shall I say of crucifixion? It is impossible to find the word for such an abomination.

Our minds are rendered buoyant by exercise.