Youth is life as yet unblemished by much tragedy, but hardly by TV.
No reason can be given for the nature of God, because that nature is the ground of rationality.
The importance of an individual thinker owes something to chance. For it depends upon the fate of his ideas in the minds of his successors.
In all education the main cause of failure is staleness.
Fundamental progress has to do with the reinterpretation of basic ideas.
Inventive genius requires pleasurable mental activity as a condition for its vigorous exercise