There are children playing in the streets who could solve some of my top problems in physics, because they have modes of sensory perception that I lost long ago.

In the material sciences these are and have been, and are most surely likely to continue to be heroic days.

The Vedas are the greatest privilege of this century.

Maybe General Groves was right. Maybe we should just banish thinking forever.

In a free world, if it is to remain free, we must maintain, with our lives if need be, but surely by our lives, the opportunity for a man to learn anything

Optimists think that this is the best of all possible worlds; pessimists fear they are right.

Taken as a story of human achievement, and human blindness, the discoveries in the sciences are among the great epics.