“The greatest discovery of any generation is that a human can alter his life by altering his attitude.”

—William James, American philosopher and psychologist, 1842–1930

“Throughout human history the shadowy figure of the alchemist, the shaman, the herbalist, the smiling wise man who has the key to turn you on and make you feel good, has always been the center of the religious, aesthetic, revolutionary impulse. I think that this is the noblest of all human professions …”

Timothy Leary, “The Dealer Is the New Robin Hood.” Los Angeles Free Press (8–21 May 1970).