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

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

You're only as young as the last time you changed your mind.

We are dealing with the best-educated generation in history. But they've got a brain dressed up with nowhere to go.

To describe externals, you become a scientist. To describe experience, you become an artist.

Give death a better name or die trying.

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