Philip Stanhope, 4th Earl of Chesterfield

You must look into people as well as at them.

Whatever is worth doing at all is worth doing well.

Sex: the pleasure is momentary, the position ridiculous, and the expense damnable.

Every man has his own courage, and is betrayed because he seeks in himself the courage of other persons.

Well, I actually wrote her a letter a couple of days ago congratulating her. The tone I tried to convey in the letter is, look, you are a part of a great American historical process.

Frequent and loud laughter is the characteristic of folly and ill manners.