Everything comes to him who hustles while he waits.

Faith, as well intentioned as it may be, must be built on facts, not fiction faith in fiction is a damnable false hope.

Genius is one per cent inspiration, ninety-nine per cent perspiration.

Genius is one percent inspiration, ninety-nine percent perspiration.

Hell, there are no rules here - we're trying to accomplish something.

I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.

I never did a day's work in my life. It was all fun.

I never once made a discovery I speak without exaggeration that I have constructed three thousand different theories in connection with the electric light Yet in only two cases ...

If I find 10, 000 ways something won't work, I haven't failed. I am not discouraged, because every wrong attempt discarded is another step forward.

If we all did the things we are capable of doing, we would literally astound ourselves.