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

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.

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

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.

The charity that hastens to proclaim its good deeds, ceases to be charity, and is only pride and ostentation.

I can survive either love or insanity. But not both. And you bring me both.

Our journeys are different but we can share the same well traveled path during parts of our excursion. Small victories win wars not single battles.

If there were any justice in the world people would be able to fly over pigeons for a change.

Our own species evolved under the influence of group selection, as Darwin emphasized when he discussed the evolution of altruism.

The community has no bribe that will tempt a wise man.

What we have caught and what we have killed we have left behind, but what has escaped us we bring with us.

It was an ongoing struggle to say no, I don't want to be a part of the perpetuation of this stereotype.

There are a lot of authors in the world, so it's difficult to find a unique niche to present your take on things. That is always a challenge for any author.

The work that I do, I am grateful to do and honored and privileged to do, but I do it for my family and, if you don't have a family, then what does it mean?