Really, the fundamental, ultimate mystery -- the only thing you need to know to understand the deepest metaphysical secrets -- is this: that for every outside there is an inside and for every inside there is an outside, and although they are different, they go together.

The meaning of life is just to be alive. It is so plain and so obvious and so simple.

Our view of reality is like a chart of the sea - the truer it is, the less likely we will become lost.

In other words, a person who is fanatic in matters of religion, and clings to certain ideas about the nature of God and the universe, becomes a person who has no faith at all.

When you really understand that you are what you see and know, you do not run around the countryside thinking, "I am all this!" There is simply all this.

Psychedelic experience is only a glimpse of genuine mystical insight, but a glimpse which can be matured and deepened by the various ways of meditation in which drugs are no longer necessary or useful. If you get the message, hang up the phone. For psychedelic drugs are simply instruments, like microscopes, telescopes, and telephones. The biologist does not sit with eye permanently glued to the microscope, he goes away and works on what he has seen.

Just as true humor is laughter at oneself, true humanity is knowledge of oneself.