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.

If you love something enough, it will reveal itself to you.

Most people search high and wide for the key to success. If they only knew, the key to their dreams lies within.

Young people, I want to beg of you always keep your eyes open to what Mother Nature has to teach you. By so doing you will learn many valuable things every day of your life.

There is no short cut to acheivement.

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.

There are two ways, one is right; the other is wrong. If your work is only about right, then it is wrong.