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

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

There are 10^11 stars in the galaxy. That used to be a huge number. But it's only a hundred billion. It's less than the national deficit! We used to call them astronomical numbers. Now we should call them economical numbers.

You should not fool the laymen when you're talking as a scientist... . I'm talking about a specific, extra type of integrity that is not lying, but bending over backwards to show how you're maybe wrong, [an integrity] that you ought to have when acting as a scientist. And this is our responsibility as scientists, certainly to other scientists, and I think to laymen.

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

The highest forms of understanding we can achieve are laughter and human compassion.

Turbulence is the most important unsolved problem of classical physics.