Addiction is an increasing desire for an act that gives less and less satisfaction

Literary or scientific, liberal or specialist, all our education is predominantly verbal and therefore fails to accomplish what it is supposed to do. Instead of transforming children into fully developed adults, it turns out students of the natural sciences who are completely unaware of Nature as the primary fact of experience, it inflicts upon the world students of the humanities who know nothing of humanity, their own or anyone else's.

Thought must be divided against itself before it can come to any knowledge of itself.

Peace is a necessary condition of spirituality, no less than an inevitable result of it.

A man may be a pessimistic determinist before lunch and an optimistic believer in the will's freedom after it.

Round pegs in square holes tend to have dangerous thoughts about the social system and tend to infect others with their discontents.

We cannot reason ourselves out of our basic irrationality. All we can do is to learn the art of being irrational in a reasonable way.