The history of man that you don't know is what your unconscious is made out of. Just as the history of yourself that you don't know is what your personal unconscious is made out of.

I don’t know what life is like without cannabis, I hear there is such a thing.

Could any symbol be any more appropriate of the ambiguity of human transformation? What mushroom is it that grows at the end of history? Is it Stropharia cubensis, or is it the creation of Edward Teller? This is an unresolved problem.

Science is the special province of the ego. And magic and art are the special province of something else. I could name it, but I won't. It prefers to be unnamed

What I've observed, and I think it's fair to give credit to the psychedelic experience for this, what I've observed is that nature builds on previously established levels of complexity.

This is the key. If you get into deep water with these substances, this is true of psilocybin as well, you don't want to clench, you don't want to assume the fetal position and stop breathing. You want to sit up straight and breathe, and sing, and sing it back, and it will step back. You can take control of your situation ... most of the time.

We are an intelligent species caught in an historical process. No generation which proceeded us knew what was going on, and there is no reason to assume that we know what's going on or that the generation which follows us will know what's going on. And what kind of trip is it anyway to insist on knowing what's going on?