Perhaps without that adversity I might not have been able to preserve later on when my financial burdens were redoubled. I learned then how to keep problems from crushing me. I refused to worry about more than one thing at a time, and I would not let useless fretting about a problem, no matter how important, keep me from sleeping.

There is only one valid definition of a business purpose: to create a customer.

Remember happiness doesn't depend upon who you are or what you have; it depends solely on what you think.

If you give people tools, and they use their natural abilities and their curiosity, they will develop things in ways that will surprise you very much beyond what you might have expected.

I really had a lot of dreams when I was a kid, and I think a great deal of that grew out of the fact that I had a chance to read a lot.

The man who trims himself to suit everybody will soon whittle himself away