Inventing is a combination of brains and materials. The more brains you use, the less material you need.

The opportunities of man are limited only by his imagination. But so few have imagination that there are ten thousand fiddlers to one composer.

Every father should remember one day his son will follow his example, not his advice.

One fails forward toward success.

We have reason not to be afraid of the machine, for there is always constructive change, the enemy of machines, making them change to fit new conditions.

What I believe is that, by proper effort, we make the future almost anything we want to make it.

We have been measuring too much in terms of the dollar. What we should do is think in terms of useful materials-things that will be of value to us in our daily life.