"The pendulum of the mind oscillates between sense and nonsense, not between right and wrong."

"Every form of addiction is bad, no matter whether the narcotic be alcohol or morphine or idealism."

"What drives people to do things is not the rational but the irrational."

"One does not become enlightened by imagining figures of light, but by making the darkness conscious."

"No tree, it is said, can grow to heaven unless its roots reach down to hell."