I have done more for San Francisco than any of its old residents. Since I left there it has increased in population fully 300,000. I could have done more - I could have gone earlier - it was suggested.

I have never examined the subject of humor until now. I am surprised to find how much ground it covers. I have got its divisions and frontiers down on a piece of paper. I find it defined as a production of the brain, as the power of the brain to produce something humorous, and the capacity of percieving humor.

[Do you worry unnecessarily about the future? Remember most fears are just False Evidence Appearing Real. Don't let unfounded fears rob you of the joys of life or you too will say...] There has been much tragedy in my life; [and] at least half of it actually happened.

We get our morals from books. I didn't get mine from books, but I know that morals do come from books- theoretically at least.

Balloon: Thing to take meteroric observations and commit suicide with.

Well enough for old folks to rise early, because they have done so many mean things all their lives they can't sleep anyhow.

We are always too busy for our children; we never give them the time or interest they deserve. We lavish gifts upon them; but the most precious gift, our personal association, which means so much to them, we give grudgingly.