Mr. Edison worked endlessly on a problem, using the method of elimination. If a person asked him if he were discouraged because so many attempts proved unavailing, he would say, "No, I am not discouraged, because every wrong attempt discarded is another step forward.".

I have not failed. I've just found 10,000 foundations and individual donors whose priorities don't align with my organization's.

Everyone steals in commerce and industry. I've stolen a lot, myself. But I know how to steal! They don't know how to steal!

I think that Ingersoll had all the attributes of a perfect man, and, in my opinion, no finer personality ever existed. Judging from the past, I cannot help thinking that the intention of the Supreme Intelligence that rules the world is to ultimately make such a type of man universal.

Before you reject an idea, find at least five good things about it.

The strength of the Constitution, lies in the will of the people to defend it.

I've realized that most of my best ideas have followed a good night's sleep.