I rarely think in words at all.

It is our American habit if we find the foundations of our educational structure unsatisfactory to add another story or wing.

Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

In conclusion I wish to say that in working at the problem here dealt with I have had the loyal assistance of my friend and colleague M. Besso, and that I am indebted to him for several valuable suggestions.

The next world war will be fought with stones.

I want to know what God thinks. The rest are details.

The basic laws of the universe are simple, but because our senses are limited, we can’t grasp them. There is a pattern in creation.