Civilization is unbearable, but it is less unbearable at the top.

LSD is a psychedelic drug which occasionally causes psychotic behavior in people who have NOT taken it.

My advice to people today is as follows: if you take the game of life seriously, if you take your nervous system seriously, if you take your sense organs seriously, if you take the energy process seriously, you must turn on, tune in, and drop out.

Civilization is unbearable, but it is less unbearable at the top.

Ritual is to the internal sciences what experiment is to the external sciences.

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. And drugs are not central to my life.

To use your head, you have to go out of your mind.