“A final word of advice: don't gloat about how well you have done.”

“If you don't mind a word of advice, one never asks a lady to set her own price. If you have to ask, the answer will always be more than you can afford.”

“Don't ever write anything you don't like yourself and if you do like it, don't take anyone's advice about changing it. They just don't know.”

“"The parts I like, well…" He shook his head, with pursed lips. "They just don't have anything to do with me: somebody else wrote them, it seems, about things I may have thought about once. The parts I don't like--well, I can remember writing those, oh yeah, word by word by word."”

“The advice takes the form of four simple suggestions for how to do well in a durable iterated Prisoner's Dilemma:1. Don't be envious.
2. Don't be the first to defect.
3. Reciprocate both cooperation and defection.
4. Don't be too clever.”

“My final word: don't follow your dreams… chase them. With a stick, or a shovel, or whatever you have handy. Get that [bleep]ing dream!”

“You don't have time, Len. That is the most bitter and the most beautiful piece of advice I can offer. If you don't have what you want now, you don't have what you want.”

“And you can tell everybody, this is your song.
It may be quite simple but now that it's done,
I hope you don't mind, I hope you don't mind
That I put down in words
How wonderful life is while you're in the world.”

“I wish I could write well enough to write about aircraft. Faulkner did it very well in Pylon but you cannot do something someone else has done though you might have done it if they hadn't.”

“You can only say Darwinian causes -- random mutation, natural selection -- even gravity is supposed to be done by that! And I would say to these people, well, how did life begin? We don't know, but it had to be by Darwinian means. Well, how did gravity begin? We don't know, but it had to be by Darwinian means. Why did it have to be that way? Why couldn't there have been an intelligent designer?”