After we had conducted thousands of experiments on a certain project without solving the problem, one of my associates, after we had conducted the crowning experiment and it had proved a failure, expressed discouragement and disgust over our having failed to find out anything. I cheerily assured him that we had learned something. For we had learned for a certainty that the thing couldnt be done that way, and that we would have to try some other way.

The first requisite for success is to develop the ability to focus.

I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.

Until man duplicates a blade of grass, nature can laugh at his so called scientific knowledge.

The doctor of the future will give no medicine, but will involve the patient in the proper use of food, fresh air and exercise

Fools call wise men fools. A wise man never calls any man a fool.

Even though I am nearly deaf, I seem to be gifted with a kind of inner hearing which enables me to detect sounds and noises which the ordinary person does not hear.