It is the best book ever written on the subject. There is nothing like it!
Nothing that's good works by itself, you've got to make the damn thing work.
Most of my ideas belonged to other people who never bothered to develop them.
I love great music and art, but I think 'cubist' songs and paintings are hideous.
When you have exhausted all possibilities, remember this - you haven't.
Oh these mathematicians make me tired! When you ask them to work out a sum they take a piece of paper, cover it with rows of A's, B's, and X's and Y's ... scatter a mess of flyspecks over them, and then give you an answer that's all wrong!