The function of science fiction is not always to predict the future but sometimes to prevent it.
Seize opportunity by the beard, for it is bald behind.
A chess genius is a human being who focuses vast, little-understood mental gifts and labors on an ultimately trivial human enterprise.
If a dog jumps in your lap, it is because he is fond of you; but if a cat does the same thing, it is because your lap is warmer.
Obscurity is a good thing. You can fail in obscurity. It removes the fear of failure.
Why do writers write? Because it isn't there.
I say luck is when an opportunity comes along, and you're prepared for it.