There is no quantum world. There is only an abstract quantum mechanical description.

It is wrong to think that the task of physics is to find out how Nature is. Physics concerns what we say about Nature.

When it comes to atoms, language can be used only as in poetry. The poet, too, is not nearly so concerned with describing facts as with creating images.

How wonderful that we have met with paradox. Now we have some hope of making progress.

An independent reality in the ordinary physical sense can ... neither be ascribed to the phenomena nor to the agencies of observation.