Even for the physicist the description in plain language will be a criterion of the degree of understanding that has been reached.

After the conversations about Indian philosophy, some of the ideas of Quantum Physics that had seemed so crazy suddenly made much more sense.

Nature allows only experimental situations to occur which can be described within the framework of the formalism of quantum mechanics

Every tool carries with it the spirit by which it has been created.

The conception of objective reality ... has thus evaporated ... into the transparent clarity of mathematics that represents no longer the behavior of particles but rather our knowledge of this behavior.

Only a few know, how much one must know to know how little one knows.

Whenever we proceed from the known to the unkown we may hope to understand, but we may have to learn at the same time a new meaning of the word 'understanding'