There are three side effects of acid: enhanced long-term memory, decreased short-term memory, and I forget the third.

Whenever in doubt, turn off your mind, relax, float downstream.

The Caterpillar cannot understand the butterfly

If you don't like what you're doing, you can always pick up your needle and move to another groove.

The program is a voyage chart, a series of signals, which, like the pilot's radio, provides the basic orienting information required for the trip.

At every level there are eight stages of intelligence. You have to turn your brain on to the circuits that are used at that level of intelligence. And there are ways to change the human brain to different stages. The things that change your brain are called 'drugs'.

There are no bad drugs. There's simply stupid people who don't know how to use them.