When people are old enough to know better they are old enough to do worse.

[D]on't grow old. With age comes caution, which is another name for cowardice.... Whatever else you do in life, don't cultivate a conscience. Without a conscience a man may never be said to grow old. This is an age of very old young men.

Never neglect an opportunity to play leap-frog; it is the best of all games, and, unlike the terribly serious and conscientious pastimes of modern youth, will never become professionalized.

Misquotation is the pride and privilege of the learned.

A man's character never changes radically from youth to old age. What happens is that circumstances bring out characteristics which have not been obvious to the superficial observer.

The English public doesn't really like Shakespeare; it prefers football.

There is no stronger craving in the world than that of the rich for titles, except that of the titled for riches.