That's the good part of dying; when you've nothing to lose, you run any risk you want.

Don't ask for guarantees. And don't look to be saved in any one thing, person, machine, or library. Do your own bit of saving, and if you drown, at least die knowing you were heading for shore.

Bees do have a smell, you know, and if they don't they should, for their feet are dusted with spices from a million flowers.

The very first experiments with building rockets and firing them off were carried out by students at Cal Tech in 1937, '38 and '39. And later these people put together these jet propulsion labs in Pasadena and wound up sending aircraft and spacecraft to the moon. So it all began very primitively with love.

Friendship is an island that you retreat to and you all fall on the floor and laugh at all the other ninnies that don't have enough brains to have your good taste.

Day, after day, after glorious day, I was falling in love with books.

I have four daughters and eight grandchildren. My soul lives on in them. That's immortality. That's the only immortality I care about.