Never underestimate the joy people derive from hearing something they already know.

The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and some of these neutrons will again produce fission.

Experimental confirmation of a prediction is merely a measurement. An experiment disproving a prediction is a discovery.

Before I came here I was confused about this subject. Having listened to your lecture I am still confused. But on a higher level.

There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.

I remember my friend Johnny von Neumann used to say, 'with four parameters I can fit an elephant and with five I can make him wiggle his trunk.'

It is not good to try to stop knowledge from going forward. Ignorance is never better than knowledge.

[on what characteristics Nobel prize winning physicists had in common] I cannot think of a single one, not even intelligence.

An experiment disproving a prediction is discovery.

Whatever Nature has in store for mankind, unpleasant as it may be, men must accept, for ignorance is never better than knowledge.

Ignorance is never better than knowledge

Artificial intelligence is growing up fast, as are robots whose facial expressions can elicit empathy and make your mirror neurons quiver.

There's no reason to change what you are, but if you're not being you, then you need to acknowledge that.

I knew the President would run for reelection in 1984. Why not? Actors love sequels ... and returns.

I'm very committed to and interested in CNN's journalism and our magazines and our movie studio, not just HBO, where I grew up. But I do have a fondness for subscription television.

Different people have different opinions, and its okay to respect all of them.

Never believe that animals suffer less than humans. Pain is the same for them that it is for us. Even worse, because they cannot help themselves.

Take your tent and go for the camping! You are dying in the cities! Thousands of stars, hundreds of birds, tens of flowers are waiting for you to heal you!

I do know one thing about me: I don't measure myself by others' expectations or let others define my worth.

The bagpipes sound exactly the same when you have finished as when you started