In the United States, I am often addressed as a doctor. I should like to point out, however, that I am not such and shall never think of becoming one.

This is the goal: To make available for life every place where life is possible. To make inhabitable all worlds as yet uninhabitable, and all life purposeful.

We cannot take credit for our record avancement in certain scientific fields alone. We have been helped, and we have been helped by the people of other worlds.

The rockets... can be built so powerfully that they could be capable of carrying a man aloft.

Our educational system is like an automobile which has strong rear lights, brightly illuminating the past. But looking forward things are barely discernible.

If there is a small rocket on top of a big one, and if the big one is jettisoned and the small one is ignited, then their speeds are added.

Books open new worlds to me.

Stare. It is the way to educate your eye, and more. Stare, pry, listen, eavesdrop. Die knowing something. You are not here long.

Of all our infirmities the most savage is to despise our being.

Think of yourself as on the threshold of unparalleled success. A whole, clear, glorious life lies before you. Achieve! Achieve!

It's probably good for your body and brain to get moving occasionally.

I do believe that we’re in a true golden era of television, and I think it started with Hill Street.

If I tried to flirt with a woman and she didn't know who I was, she would run away.

The new spirituality will step away from dogma, will step away from 'We're right and you're wrong.'

Oh sons of Arabs and the Arab Gulf, rebel against the foreigner...Take revenge for your dignity, holy places, security, interests and exalted values.

How is it that you live, and what is it you do?