“Physicists like to think that all you have to do is say, these are the conditions, now what happens next?”

Tell your son to stop trying to fill your head with science — for to fill your heart with love is enough.

I can live with doubt and uncertainty and not knowing. I think it’s much more interesting to live not knowing than to have answers that might be wrong.

The individual member of the social community often receives his information via visual, symbolic channels. I went back and forth over it, and translated. You know what it means? People read.

Learn what the rest of the world is like. The variety is worthwhile.

That’s the trouble with not being in your own field: You don’t take it seriously.

Innovation is a very difficult thing in the real world

Philosophy of science is about as useful to scientists as ornithology is to birds.

If you thought that science was certain – well, that is just an error on your part.

The things that mattered were honesty, independence, willingness to admit ignorance.

Of course, you only live one life, and you make all your mistakes, and learn what not to do, and that’s the end of you.

I always do that, get into something and see how far I can go.

There are thousands of years in the past, and there is an unknown amount of time in the future. There are all kinds of opportunities, and there are all kinds of dangers.

What I cannot create, I do not understand.

Science is what we have learned about how to keep from fooling ourselves.

Science is the organized skepticism in the reliability of expert opinion.

For a successful technology, reality must take precedence over public relations, for nature cannot be fooled.

We all use the future to escape the present.

Let us sacrifice our today so that our children can have a better tomorrow.

Only you can control your future.

Wars are poor chisels for carving out peaceful tomorrows.

There is no saint without a past, no sinner without a future.

Heedless of the past, we are flying blind into the future.

A nation that forgets its past has no future.

Vote like our future depends on it. Because it does.