One of the most productive things that we ever do in our lives is to think. To be able to think is to be able to decide, to judge, to have opinions and convictions, and to entertain a point of view. To be able to think is to be able to love, to believe, to work, to originate, and to organize.

Ancient Chinese custom if you were a guest in one of their homes and you admired some particular thing, they would wrap it up and present it to you as a gift. But isn't that what life does.

You should always have 2 books...the one you're reading and the one you're writing.

I know that what I have done I can do again.

There is one thing more serious than merely to not believe, and that is to not care.

Discouragement is an attitude.

The best sculptor is the one who can most accurately reproduce in marble the image that he sees before him. The good cook follows the recipe. The pharmacist can utilize the many years of training of the most famous doctors from the best medical schools, if he just knows how to follow a prescription. Someone has said that science is just a collection of successful formulas.