Men's natures are alike; it is their habits that separate them.

Excess weakens the spirits.

Writing cannot express all words, words cannot encompass all ideas.

There are three sorts of pleasures which are advantageous, and three which are injurious. Finding pleasure in the discriminating study of ceremonies and music, finding pleasure in discussing the good points in the conduct of others, and finding pleasure in having many wise friends, these are advantageous. But finding pleasure in profligate enjoyments, finding pleasure in idle gadding about, and finding pleasure in feasting, these are injurious.

To learn and from time to time to apply what one has learned - isn't that a pleasure?

An inconvenience is an unrecognized opportunity.

Old age, believe me, is a good and pleasant thing. It is true you are gently shouldered off the stage, but then you are given such a comfortable front stall as spectator.