Learn to do common things uncommonly well; we must always keep in mind that anything that helps fill the dinner pail is valuable.

You can't teach people anything. You can only draw out.

Do what you can, with what you have and do it now!

The beating on the tail of the snake may stop his progress a little, but the more vital parts must be struck before his poisonous death-dealing venom will be wiped out.

I went to the trash pile at Tuskegee Institute and started my laboratory with bottles, old fruit jars and any other thing I found I could use. ... [The early efforts were] worked out almost wholly on top of my flat topped writing desk and with teacups, glasses, bottles and reagents I made myself.

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.

Education is the key to unlock the golden door of freedom.