When once a decision is reached and execution is the order of the day, dismiss absolutely all responsibility and care about the outcome.

I originally studied medicine in order to be a physiologist, but I drifted into psychology and philosophy from a sort of fatality. I never had any philosophic instruction, the first lecture on psychology I ever heard being the first I ever gave.

The man who knows governments most completely is he who troubles himself least about a definition which shall give their essence. Enjoying an intimate acquaintance with all their particularities in turn, he would naturally regard an abstract conception in which these were unified as a thing more misleading than enlightening.

An experience, perceptual or conceptual, must conform to reality in order to be true

Impulse without reason is enough, and reason without impulse is a poor makeshift.

My experience is what I agree to attend to.

All our scientific and philosophic ideals are altars to unknown gods.