The best thinking has been done in solitude. The worst has been done in turmoil.

The very first thing an executive must have is a fine memory. Of course it does not follow that a man with a fine memory is necessarily a fine executive. But if he has the memory he has the first qualification, and if he has not the memory nothing else matters.

The three great essentials to achieve anything worth while are: Hard work, Stick-to-itiveness, and Common sense.

Time is really the only capital that any human being has, and the only thing he can't afford to lose.

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.

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

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.