My purpose alone must be God's purpose.

In these strenuous times, we are likely to become morbid and look constantly on the dark side of life, and spend entirely too much time considering and brooding over what we can't do, rather than what we can do, and instead of growing morose and despondent over opportunities either real or imaginary that are shut from us, let us rejoice at the many unexplored fields in which there is unlimited fame and fortune to the successful explorer and upon which there is no color line; simply the survival of the fittest.

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.

When you can do the common things of life in an uncommon way, you will command the attention of the world.

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.

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

When I was young, I said to God, 'God, tell me the mystery of the universe.' But God answered, 'That knowledge is for me alone.' So I said, 'God, tell me the mystery of the peanut.' Then God said, 'Well George, that's more nearly your size.' And he told me.