The measure of your enlightenment is the degree to which you are comfortable with paradox, contradiction, and ambiguity.

The purpose of meditation is to stop thinking for a time, wait for the fog of thought to thin, and glimpse the spirit within.

I used to respond to people who are dismissive of my work, but as I grow older, I think it's best to ignore your critics. For one thing, they can't stand it, and secondly, you're never going to change them.

Weapons of mass destruction are always in the wrong hands.

Quantum physics has found that there is no empty space in the human cell, but it is a teeming, electric-magnet ic field of possibility or potential

The past is closed and limited; the future is open and free.

My colleagues thought I was an embarrassment because I was talking about mind, body, spirit. So I was called a quack. I was called a fraud, which I initially resented, but then I got used to it.