The layman always means, when he says "reality" that he is speaking of something self-evidently known; whereas to me it seems the most important and exceedingly difficult task of our time is to work on the construction of a new idea of reality.

I have done a terrible thing, I have postulated a particle that cannot be detected.

If I understand Dirac correctly, his meaning is this: there is no God, and Dirac is his Prophet.

How can one avoid despondency if one thinks of the anomalous Zeeman effect?

You know, what Einstein has just said isn't so stupid.

It is not only not right, it is not even wrong.

The layman always means, when he says "reality" that he is speaking of something self-evidently known; whereas to me it seems the most important and exceedingly difficult task of our time is to work on the construction of a new idea of reality.