Keep on the lookout for novel ideas that others have used successfully. Your idea has to be original only in its adaptation to the problem you're working on.

Fools call wise men fools. A wise man never calls any man a fool.

Most of the exercise I get is from standing and walking around laboratory tables all day. I derive more benefit and entertainment from this than some of my friends and competitors get from playing games like golf.

Never be discouraged, because every wrong turn attempt, when left behind you, is another step forward taking you closer to your goals.

This problem, once solved, will be simple.

So far as the religion of the day is concerned, it is a damned fake ... Religion is all bunk.

I never pick up an item without thinking of how I might improve it. I never perfected an invention that I did not think about in terms of the service it might give others. I want to save and advance human life, not destroy it. I am proud of the fact that I never invented weapons to kill. The dove is my emblem.