We are all afraid for our confidence for the future for the world. That is the nature of the human imagination. Yet every man every civilization has gone forward because of its engagement with what it has set itself to do.
Knowledge of what is does not open the door directly to what should be.
Any fool can know. The point is to understand.
I am enough of an artist to draw freely upon my imagination. Imagination...
Two things are infinite: the universe and human stupidity; and I'm not...
Nothing is so threatening to conventional values as a man who does not...
Ignorance more frequently begets confidence than does knowledge: it is...
No thief, however skillful, can rob one of knowledge, and that is why...
