We can invent as many theories we like, and any one of them can be made to fit the facts. But that theory is always preferred which makes the fewest number of assumptions.

Princeton is a wonderful little spot. A quaint and ceremonious village of puny demigods on stilts.

Creative energy is more critical than learning.

The world is a dangerous place to live; not because of the people who are evil, but because of the people who don't do anything about it.

I get the most joy in life out of music.

On the other hand, the concept owes its meaning and its justification exclusively to the totality of the sense impressions which we associate with it.

Since I do not forsee that atomic energy is to be a great boon for a long time, I have to say that for the present it is a menace. Perhaps it is well that it should be. It may intimidate the human race into bringing order into its international affairs, which, without the presence of fear, it would not do.