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

One might be led to question whether the scientists acted wisely in presenting the statesmen of the world with this appalling problem. Actually there was no choice. Once basic knowledge is acquired, any attempt at preventing its fruition would be as futile as hoping to stop the earth from revolving around the sun.

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.

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

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

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

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