People may come along and argue philosophically that they like one better than another; but we have learned from much experience that all philosophical intuitions about what nature is going to do fail.

The same equations have the same solutions

There is no harm in doubt and skepticism, for it is through these that new discoveries are made.

Listen, I mean that from my knowledge of the world that I see around me, I think that it is much more likely that the reports of flying saucers are the results of the known irrational characteristics of terrestrial intelligence than of the unknown rational efforts of extra-terrestrial intelligence.

The only way to deep happiness is to do something you love to the best of your ability

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

Everything is made of atoms.