For the advice in a joke is sometimes more useful than the most serious teaching.

A wise man gets more use from his enemies than a fool from his friends.

Advice is sometimes transmitted more successfully through a joke than grave teaching.

Things have their time, even eminence bows to timeliness.

Audacious persons hope to make themselves eternally famous by setting fire to one of the wonders of the world and of the ages. The art of reproving scandal is to take no notice of it, to combat it damages our own case; even if credited it causes discredit, and is a source of satisfaction to our opponent, for this shadow of a stain dulls the lustre of our fame even if it cannot altogether deaden it.

Work is the price which is paid for reputation.