When asked what he meant by a miracle: Oh, anything with a probability of less than 20%..

An experiment disproving a prediction is discovery..

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

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 s….

Although the problem of transmuting chemical elements into each other is much older than a satisfactory definition of the very concept of chemical el….

It does not say in the Bible that all laws of nature are expressible linearly!.

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

Some people stick with the traditional, feeling struck by the epic beauty or blown away by the insane scale of the universe. Personally, I go for the….

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

One might be led to question whether the scientists acted wisely in presenting the statesmen of the world with this appalling problem. Actually there….

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, ….

Where is everybody? Humans could theoretically colonize the galaxy in a million years or so, and if they could, astronauts from older civilizations c….

The fact that no limits exist to the destructiveness of this weapon [the 'Super', i.e. the hydrogen bomb] makes its very existence and the knowledge ….

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

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.'.

I hope it won't take long..

Young man, if I could remember the names of these particles, I would have been a botanist..

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

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

Ignorance is never better than knowledge.