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

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.

The Caterpillar cannot understand the butterfly

Romantic poetry and fiction of the last 2000 years has blinded us to the fact that emotions are a low form of jungle consciousness. Emotional actions are the most contracted, dangerous form of fanatic stupor.

Think for yourself. Know what you're doing. Question authority.

I learned more about psychology in the five hours after taking these mushrooms than in the preceding 15 years of studying and doing research in psychology.

LSD is known to induce psychosis, in people who have never used it.