The only way to escape the corruptible effect of praise is to go on working.

A theory is the more impressive the greater the simplicity of its premises is, the more different kinds of things it relates, and the more extended its area of applicability.

The only real valuable thing is intuition. The intellect has little to do on the road to discovery

You imagine that I look back on my life's work with calm satisfaction. But from nearby it looks quite different. There is not a single concept of which I am convinced that it will stand firm, and I feel uncertain whether I am in general on the right track.

I think that a particle must have a separate reality independent of the measurements. That is an electron has spin, location and so forth even when it is not being measured. I like to think that the moon is there even if I am not looking at it.

One scientific epoch ended and another began with James Clerk Maxwell.

Life isn't worth living, unless it is lived for someone else.