To remain ignorant of history is to remain forever a child

There is no moment without some duty.

This is the part of a great man, after he has maturely weighed all circumstances, to punish the guilty, to spare the many, and in every state of fortune not to depart from an upright, virtuous conduct.

Fortune, not wisdom, rules lives.

The injuries that befall us unexpectedly are less severe than those which are deliberately anticipated.

Lay down this rule of friendship: neither ask nor consent to do what is wrong. The plea, 'for friendship's sake,' is a discreditable one, and should not be admitted for a moment. We should ask from friends and do for friends only what is good.

Virtue is a habit of the mind, consistent with nature and moderation and reason.