Large portions of life's disappointments are individuals who did not understand that they were so near achievement when they surrendered.

Nearly every man who develops an idea works it up to the point where it looks impossible, and then he gets discouraged. That's not the place to become discouraged.

I am a vegetarian as well as a passionate anti-alcoholic, because I can thus make better use of my brain.

The inventor can't do it all, you've got to change people. We have an enormous capacity to invent super-machinery. But our desire to install the device is weak. Human inertia is the problem, not invention. Something in man makes him resist change.

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

There is a better way for everything. Find it.

When I have eliminated the ways that will not work, I will find the way that will work.