Never crowd youngsters about their private affairs - sex especially. When they are growing up, they are nerve ends all over, and resent (quite properly) any invasion of their privacy. Oh, sure, they'll make mistakes - but that's their business, not yours. (You made your own mistakes, did you not?)

If a grasshopper tries to fight a lawnmower, one may admire his courage but not his judgement.

It would take centuries and he must grow and grow and grow, but he was in no hurry--he grokked that Eternity and the ever-beautifully-changing Now were identical.

Never try to have the last word. You might get it.

If you happen to be one of the fretful minority who can do creative work, never force an idea; you'll abort it if you do. Be patient and you'll give birth to it when the time is ripe. Learn to wait.

Its very variety, subtlety, and utterly irrational, idiomatic complexity makes it possible to say things in English which simply cannot be said in any other language.

I've found out why people laugh. They laugh because it hurts so much . . . because it's the only thing that'll make it stop hurting.