No endeavor that is worthwhile is simple in prospect; if it is right, it will be simple in retrospect..

Had we not pursued the hydrogen bomb, there is a very real threat that we would now all be speaking Russian. I have no regrets..

Secrecy, once accepted, becomes an addiction..

When Columbus took off, the purpose was to improve trade relations with China. That problem has not been solved to this very day, but just look at th….

The eyes of childhood are magnifying lenses..

Life improves slowly and goes wrong fast, and only catastrophe is clearly visible..

If there ever was a misnomer, it is "exact science." Science has always been full of mistakes. The present day is no exception. And our mistakes are ….

The science of today is the technology of tomorrow..

There's no system foolproof enough to defeat a sufficiently great fool..

When you come to the end of all the light you know, and it's time to step into the darkness of the unknown, faith is knowing that one of two things s….

The extinction of the human race will come from its inability to EMOTIONALLY comprehend the exponential function..

The best weapon of a dictatorship is secrecy; the best weapon of a democracy is openness..

On May 7, a few weeks after the accident at Three-Mile Island, I was in Washington. I was there to refute some of that propaganda that Ralph Nader, J….

The main purpose of science is simplicity and as we understand more things, everything is becoming simpler..

Physics without mathematics is meaningless..

Science attempts to find logic and simplicity in nature. Mathematics attempts to establish order and simplicity in human thought..

I hate doubt, yet I am certain that doubt is the only way to approach anything worth believing in..

There is a time for scientists and movie stars and those who have flown the atlantic to restrain their opinions lest they be taken more seriously tha….

When you're certain you cannot be fooled, you become easy to fool..

A fact is a simple statement that everyone believes. It is innocent, unless found guilty. A hypothesis is a novel suggestion that no one wants to bel….

We must learn to live with contradictions, because they lead to deeper and more effective understanding..