An ocean traveler has even more vividly the impression that the ocean is made of waves than that it is made of water.

There is no essential distinction between scientific measures and the measures of the senses. In either case our acquaintance with the external world comes to us through material channels; the observer's body may be regarded as part of his laboratory equipment.

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.