When I die I won't go to heaven or hell; there will just be nothingness.

Mathematicians deal with large numbers sometimes, but never in their income.

Democracy cannot survive overpopulation.

From my close observation of writers... they fall into two groups: 1) those who bleed copiously and visibly at any bad review, and 2) those who bleed copiously and secretly at any bad review.

The world is being Americanized and technologized to its limits, and that makes it dull for some people. Reaching the Moon restores the frontier and gives us the lands beyond.

Even as a youngster, though, I could not bring myself to believe that if knowledge presented danger, the solution was ignorance.

Pierre Curie, a brilliant scientist, happened to marry a still more brilliant one-Marie, the famous Madame Curie-and is the only great scientist in history who is consistently identified as the husband of someone else.