The brain is a robot-computer perfectly designed to fabricate any reality we program it to construct.

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

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'.

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

The danger of psychedelic drugs, the danger of mind-opening, the danger of consciousness expansion, the danger of inner discovery is a danger to the establishment.

Intelligence is the ultimate aphrodisiac

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