"Take a holiday from reality whenever you like, and come back without so much as a headache or a mythology."
"I am 100 percent in favor of the intelligent use of drugs, and 1,000 percent against the thoughtless use of them, whether caffeine or LSD."
"People use the word 'natural'. What is natural to me is these botanical species which interact directly with the nervous system. What I consider artificial is 4 years at Harvard, and the Bible, and Saint Patrick's cathedral, and the sunday school teachings."