You put two egos together and you've either got a conflict, which is always interesting, or better yet, a love affair.

I'm not an abuser. It takes me a long time to assimilate each experience. And I never have lost my respect for it. I mean I really feel dread. It is one of the emotions I always feel as I approach it, because I have no faith that my sails won't be ripped this time.

There will be difficult moments in a five-gram trip, but on the other hand certain questions will be solved forever for you, because you will validate the existence of this dimension. You will see what your relationship to it is.

The 'hard swallow' built into science is this business about the Big Bang. ... This is the notion that the universe, for no reason, sprang from nothing in a single instant. ... Notice that this is the limit test for credulity. . . . It's the limit case for likelihood.

And so, these are the things, the exploration of which, the singing about of which, makes us human beings. The exploration of the universe of the unseen is the business of human beings.

I see the psychedelic experience as a birthright, and we can't have a free society until people are free to explore their own mind.

Our ability to destroy ourselves is the mirror image of our ability to save ourselves.