Nothing interferes with my concentration. You could put on an orgy in my office and I wouldn't look up. Well, maybe once.

If you have talent, you will receive some measure of success - but only if you persist.

One might accept death reasoningly, with every aspect of the conscious mind, but the body was a brute beast that knew nothing of reason.

Jokes of the proper kind, properly told, can do more to enlighten questions of politics, philosophy, and literature than any number of dull arguments.

No vision of God and heaven ever experienced by the most exalted prophet can, in my opinion, match the vision of the universe as seen by Newton or Einstein

However much the creationist leaders might hammer away at their scientific and philosophical points, they would be helpless and a laughing-stock if that were all they had. It is religion that recruits their squadrons. Tens of millions of Americans, who neither know nor understand the actual arguments for - of even against - evolution, march in the army of the night, their Bibles held high. And they are a strong and frightening force, impervious to, and immunized against, the feeble lance of mere reason.

John Dalton's records, carefully preserved for a century, were destroyed during the World War II bombing of Manchester. It is not only the living who are killed in war.