I do not fear computers. I fear the lack of them.

In a properly automated and educated world, then, machines may prove to be the true humanizing influence. It may be that machines will do the work that makes life possible and that human beings will do all the other things that make life pleasant and worthwhile

Above all, never think you're not good enough. Never think that. In life people will take you at your own reckoning.

There is a single light of science, and to brighten it anywhere is to brighten it everywhere.

The soft bonds of love are indifferent to life and death. They hold through time so that yesterday's love is part of today's and the confidence in tomorrow's love is also part of today's. And when one dies, the memory lives in the other, and is warm and breathing. And when both die — I almost believe, rationalist though I am — that somewhere it remains, indestructible and eternal, enriching all of the universe by the mere fact that once it existed.