Religion is an illusion and it derives its strength from the fact that it falls in with our instinctual desires.

Dreams are often most profound when they seem the most crazy.

Conscience is the internal perception of the rejection of a particular wish operating within us.

Thinking is an experimental dealing with small quantities of energy, just as a general moves miniature figures over a map before setting his troops in action.

The true believer is in a high degree protected against the danger of certain neurotic afflictions; by accepting the universal neurosis he is spared the task of forming a personal neurosis.

America is the most grandiose experiment the world has seen, but, I am afraid, it is not going to be a success.

If the truth of religious doctrines is dependent on an inner experience that bears witness to the truth, what is one to make of the many people who do not have that experience?