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

Natural science, does not simply describe and explain nature; it is part of the interplay between nature and ourselves

The solution of the difficulty is that the two mental pictures which experiment lead us to form - the one of the particles, the other of the waves - are both incomplete and have only the validity of analogies which are accurate only in limiting cases.

My mind was formed by studying philosophy, Plato and that sort of thing.

There is a fundamental error in separating the parts from the whole, the mistake of atomizing what should not be atomized. Unity and complementarity constitute reality.

There are things that are so serious that you can only joke about them.

The very act of observing disturbs the system.