“I think that in human evolution it has never been as necessary to have this substance, LSD. It is just a tool to turn us into what we are supposed to be.”

“Instead of all of this energy and effort directed at the war to end drugs, how about a little attention to drugs which will end war?”

“I became aware of the great universal significance of visionary experience. It plays a dominant role, not only in mysticism and the history of religion, but also in the creative process in art, literature, and science.”