Looking back at the worst times, it always seems that they were times in which there were people who believed with absolute faith and absolute dogmat….

So this piece of dirt waits four and a half billion years and evolves and changes, and now a strange creature stands here with instruments and talks ….

No problem is too small or too trivial if we can really do something about it..

I was born not knowing and have had only a little time to change that here and there..

Einstein was a giant. His head was in the clouds, but his feet were on the ground. But those of us who are not that tall have to choose!.

If all of mathematics disappeared, physics would be set back by exactly one week..

Winning a Nobel Prize is no big deal, but winning it with an IQ of 124 is really something..

All things are made of atoms - little particles that move around in perpetual motion, attracting each other when they are a little distance apart, bu….

There is a computer disease that anybody who works with computers knows about. It's a very serious disease and it interferes completely with the work….

Nature does not care what we call it, she just keeps on doing it..

My rule is, when you are unhappy, think about it. But when you're happy, don't. Why spoil it? You're probably happy for some ridiculous reason and yo….

There is no harm in doubt and skepticism, for it is through these that new discoveries are made..

Nature has a great simplicity and therefore a great beauty..

Listen, I mean that from my knowledge of the world that I see around me, I think that it is much more likely that the reports of flying saucers are t….

You see, one thing is, I can live with doubt and uncertainty and not knowing. I have approximate answers and possible beliefs and different degrees o….

From a long view of the history of mankind the most significant event of the nineteenth century will be judged as Maxwell's discovery of the laws of ….

God was invented to explain mystery. God is always invented to explain those things that you do not understand..

The work I have done has, already, been adequately rewarded and recognized. Imagination reaches out repeatedly trying to achieve some higher level of….

No! Not for a second! I immediately began to think how this could have happened. And I realized that the clock was old and was always breaking. That ….

We have been led to imagine all sorts of things infinitely more marvelous than the imagining of poets and dreamers of the past. It shows that the ima….

I don't feel frightened by not knowing things, by being lost in the mysterious universe without any purpose - which is the way it really is, as far a….