In their struggle for the ethical good, teachers of religion must have the stature to give up the doctrine of a personal god.

The man with the greatest soul will always face the greatest war with the low minded person.

All the fifty years of conscious brooding have brought me no closer to answer the question, "What are light quanta?" Of course today every rascal thinks he knows the answer, but he is deluding himself.

It is quite possible that we can do greater things than Jesus, for what is written in the Bible about him is poetically embellished.

The only way to escape the personal corruption of praise is to go on working. One is tempted to stop and listen to it. The only thing is to turn away and go on working. Work. There is nothing else.

I can understand your aversion to the use of the term 'religion' to describe an emotional and psychological attitude which shows itself most clearly in Spinoza... I have not found a better expression than 'religious' for the trust in the rational nature of reality that is, at least to a certain extent, accessible to human reason.

The normal objective of my thought affords no insight into the dark places of human will and feeling.