If you listen carefully enough to anything, it will talk to you.

One reason I never patent my products is that if I did it would take so much time, I would get nothing else done. But mainly I don't want my discoveries to benefit specific favored persons.

I know of nothing more inspiring than that of making discoveries for ones self.

There is literally nothing that I ever asked to do, that I asked the blessed Creator to help me to do, that I have not been able to accomplish.

When our thoughts - which bring actions - are filled with hate against anyone, Negro or white, we are in a living hell. That is as real as hell will ever be.

There is a use for almost everything.

A life that stood out as a gospel of self-forgetting service. He could have added fortune to fame but caring for neither he found happiness and honor in being helpful to the world. The centre of his world was the south where he was born in slavery some 79 years ago and where he did his work as a creative scientist.