Many of the things you can count, don't count. Many of the things you can't count, really count.

I very rarely think in words at all. A thought comes, and I may try to express in words afterwards.

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.

Every serious scientific worker is painfully conscious of this involuntary relegation to an ever-narrowing sphere of knowledge, which threatens to deprive the investigator of his broad horizon and degrades him to the level of a mechanic.

Without changing our pattern of thought, we will not be able to solve the problems we created with our current patterns of thought

Our separation from each other is an optical illusion.

Not until we dare to regard ourselves as a nation, not until we respect ourselves, can we gain the esteem of others, or rather only then will it come of its own accord