When you get the message, hang up the phone.

My favorite three words in the English language are: ’I don’t know’, because every time I say them, I learn something new.

In a carefully prepared, loving LSD session, a woman will inevitably have several hundred orgasms.

The language of God is not English or Latin; the language of God is cellular and molecular.

I'd just like to see thinking come back in style. I haven't heard a new idea in eight years. Let's get ordinary people arguing and talking again. I want to trigger new circuits in their nervous systems. That's the philosopher's job and I am the most important philosopher at this time.

You simply cannot understand psychedelic drugs, which activate the brain, unless you understand something about computers.

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