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.

Ninety-nine percent of the failures come from people who have the habit of making excuses.

Education is understanding relationships.

No individual has any right to come into the world and go out of it without leaving behind him distinct and legitimate reasons for having passed through it.

I wanted to know the name of every stone and flower and insect and bird and beast. I wanted to know where it got its color, where it got its life - but there was no one to tell me.

It is simply service that measures success.

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.