Condemnation without investigation is the height of ignorance

The leaves and the light are one.

Let every man judge according to his own standards, by what he has himself read, not by what others tell him.

The grand aim of all science is to cover the greatest number of empirical facts by logical deduction from the smallest number of hypotheses or axioms.

You can move through life seeing nothing as a miracle, or seeing everything as a miracle.

[Max Planck] was one of the finest people I have ever known... but he really didn't understand physics, [because] during the eclipse of 1919 he stayed up all night to see if it would confirm the bending of light by the gravitational field. If he had really understood [general relativity], he would have gone to bed the way I did

I am an absolute pacifist...It is an instinctive feeling. It is a feeling that possesses me, because the murder of men is disgusting.