We, or at least I, can have no conception of human life and human thought in a hundred years or fifty years. Perhaps my greatest wisdom is the knowledge that I do not know. The sad ones are those who waste their energy in trying to hold it back, for thy can only feel bitterness in loss and no joy in gain.
John SteinbeckBooks are the best friends you can have; they inform you, and entertain you, and they don't talk back.
John SteinbeckIt is a common experience that a problem difficult at night is resolved in the morning after the committee of sleep has worked on it.
John Steinbeck