The present state of atomic theory is characterized by the fact that we not only believe the existence of atoms to be proved beyond a doubt, but also we even believe that we have an intimate knowledge of the constituents of the individual atoms.

Anybody who is not shocked by this subject has failed to understand it. [of quantum mechanics]

The meaning of life consists in the fact that it makes no sense to say that life has no meaning.

The opposite of a fact is falsehood, but the opposite of one profound truth may very well be another profound truth.

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 and establishing mental connections.

A deep truth is a truth so deep that not only is it true but it's exact opposite is also true.

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