Six mistakes mankind keeps making century after century: Believing that personal gain is made by crushing others; Worrying about things that cannot be changed or corrected; Insisting that a thing is impossible because we cannot accomplish it; Refusing to set aside trivial preferences; Neglecting development and refinement of the mind; Attempting to compel others to believe and live as we do.

There is not a moment without some duty.

Anger should never appear in awarding punishment.

They who dare to ask anything of a friend, by their very request seem to imply that they would do anything for the sake of that friend.

Peace is liberty in tranquillity.

It might be pardonable to refuse to defend some men, but to defend them negligently is nothing short of criminal.

It is not enough merely possess virtue, as if it were an art; it should be practiced.