If everything has a cause, then God must have a cause. If there can be anything without a cause, it may just be the world as God.

Americans need rest, but do not know it. I believe this to be a large part of the explanation of the crime wave in the United States.

The very best proof that something can be done is that someone has already done it.

A drop of water is not immortal; it can be resolved into oxygen and hydrogen. If, therefore, a drop of water were to maintain that it had a quality of aqueousness which would survive its dissolution we should be inclined to be skeptical. In like manner we know that the brain is not immortal.

It is not my prayer and humility that you cause things to go as you wish, but by acquiring a knowledge of natural laws.

A man's acts are partly determined by spontaneous impulse, partly by the conscious and unconscious effects of the various groups to which he belongs.

Modern definitions of truth, such as those as pragmatism and instrumentalism, which are practical rather than contemplative, are inspired by industrialisation as opposed to aristocracy.