Don't walk behind me, I may not lead. Don't walk in front of me, I may not follow. Just walk beside me and be my friend.

We think in generalities, but we live in detail.

It is impossible to trap modern physics into predicting anything with perfect determinism because it deals with probabilities from the outset.

It would probably be wiser to nail up over the door of the new quantum theory a notice, 'Structural alterations in progress--No admittance except on business', and particularly to warn the doorkeeper to keep out prying philosophers.

A society of learned fishes would probably agree that phenomena were best described from the point of view of a fish at rest in the ocean.

There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.

There are no whole truths; all truths are half- truths. It is trying to treat them as whole truths that plays the devil.

Schrodinger's wave-mechanics is not a physical theory, but a dodge -- and a very good dodge too.

Schrodinger's theory is now enjoying the full tide of popularity, partly because of intrinsic merit, but also, I suspect, partly because it is the only one of the three that is simple enough to be misunderstood.

It is in the external world that the four dimensions are united -- not the relations of the external world to the individual which constitute his direct acquaintance with space and time.