Whoever it was who searched the heavens with a telescope and found no God would not have found the human mind if he had searched the brain with a microscope.

To knock a thing down, especially if it is cocked at an arrogant angle, is a deep delight of the blood.

There is no dunce like a mature dunce.

There must ... be in our very nature a very radical and widespread tendency to observe beauty, and to value it. No account of the principles of the mind can be at all adequate that passes over so conspicuous a faculty.

The body is an instrument, the mind its function, the witness and reward of its operation.

A body seriously out of equilibrium, either with itself or with its environment, perishes outright. Not so a mind. Madness and suffering can set themselves no limit.

It takes patience to appreciate domestic bliss; volatile spirits prefer unhappiness.