“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.”

I don’t know what’s the matter with people: they don’t learn by understanding; they learn by some other way—by rote, or something. Their knowledge is so fragile!

We are lucky to live in an age in which we are still making discoveries.

Everything is interesting if you go into it deeply enough

I don’t know what’s the matter with people: they don’t learn by understanding, they learn by some other way — by rote or something. Their knowledge is so fragile.

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

I love to think. I once considered taking drugs as an attempt to better understand an altered state of mind; however, I decided not to. I didn’t want to chance ruining the machine.

Religion is a culture of faith; science is a culture of doubt.

I learned very early the difference between knowing the name of something and knowing something.

Physics is like sex: sure, it may give some practical results, but that’s not why we do it.

You have to have absolute confidence. Keep right on going, and nothing will happen.

Never confuse education with intelligence, you can have a PhD and still be an idiot.

I have to keep going to find out ultimately what is the matter with it in the end.

I think it’s much more interesting to live not knowing than to have answers which might be wrong.

You have no responsibility to live up to what other people think you ought to accomplish. I have no responsibility to be like they expect me to be. It’s their mistake, not my failing.

I believe that a scientist looking at nonscientific problems is just as dumb as the next guy.

The imagination of nature is far, far greater than the imagination of man.

The only weapons that make me dangerous are my mind, mouth and pride, which will surely educate you.

You are in danger of living a life so comfortable and soft, that you will die without ever realizing your true potential.

You are in danger of living a life so comfortable and soft that you will die without ever realizing your true potential.

The fishermen know that the sea is dangerous and the storm terrible, but they have never found these dangers sufficient reason for remaining ashore.

There is danger for him who taketh the tiger cub, and danger also for whoso snatches a delusion from a woman.

This created world really helped me as an actor. It heightened everything, which made it more dangerous, more interesting and more liberating.

This created world really helped me as an actor. It heightened everything, which made it more dangerous, more interesting and more liberating.

It is stupidity rather than courage to refuse to recognize danger when it is close upon you.