Society’s future will depend on a continuous improvement program for the human character. And what will that future bring? I do not know, but it will be exciting.

The single thing which makes any man happiest is the realization that he has worked up to the limits of his ability, his capacity. It's all the better, of course, if this work has made a contribution to knowledge, or toward moving the human race a little farther forward.

I am, and ever will be, a white-socks, pocket-protector, nerdy engineer.

We have no proof, But if we extrapolate, based on the best information we have available to us, we have to come to the conclusion that ... other life probably exists out there and perhaps in many places.

This is one small step for a man, one giant leap for mankind.

Science has not yet mastered prophecy. We predict too much for the next year and yet far too little for the next 10.

If you don't know who you are, a university is an expensive place to find out.