You can send a message around the world in one-fifth of a second, yet it may take years for it to get from the outside of a man's head to the inside.

In many ways ideas are more important than people - they are much more permanent.

We have a lot of people revolutionizing the world because they've never had to present a working model.

Modern psychology teaches that experience is not merely the best teacher, but the only possible teacher.. There is no war between theory and practice. The most valuable experience demands both, and the theory should supplement the practice and not precede it.

Action without intelligence is a form of insanity, but intelligence without action is the greatest form of stupidity in the world.

We suffer not from overproduction but from undercirculation. You have heard of technocracy. I wish I had those fellows for my competitors. I'd like to take the automobile it is said they predicted could be made now that would last fifty years. Even if never used, this automobile would not be worth anything except to a junkman in ten years, because of the changes in men's tastes and ideas. This desire for change is an inherent quality in human nature, so that the present generation must not try to crystallize the needs of the future ones.

Nothing ever built arose to touch the skies unless some man dreamed that it should, some man believed that it could, and some man willed that it must.