People are not remembered by how few times they fail, but by how often they succeed. Every wrong step is another step forward

Genius is one percent inspiration and ninety-nine percent perspiration. As a result, a genius is often a talented person who has simply done all of his homework.

Five percent of the people think; ten percent of the people think they think; and the other eighty-five percent would rather die than think.

Inspiration can be found in a pile of junk. Sometimes, you can put it together with a good imagination and invent something.

The real measure of success is the number of experiments that can be crowded into 24 hours.

Religion is all bunk.

I have a peculiar theory about radium, and I believe it is the correct one. I believe that there is some mysterious ray pervading the universe that is fluorescing to it. In other words, that all its energy is not self-constructed but that there is a mysterious something in the atmosphere that scientists have not found that is drawing out those infinitesimal atoms and distributing them forcefully and indestructibly.