Risk always brings its own rewards: the exhilaration of breaking through, of getting to the other side; the relief of a conflict healed; the clarity when a paradox dissolves.

Our past is not our potential.

Never have so many been so high so often. When a Boston research group decided to compare the effects of marijuana on experienced and inexperienced users, it took them two months to line up nine student subjects who had never used marijuana.

We live what we know. If we believe the universe and ourselves to be mechanical, we will live mechanically.

The most disturbing and wasteful emotions in modern life, next to fright, are those which are associated with the idea of blame, directed against the self or against others.

Of all the self-fulfilling prophecies in our culture, the assumption that aging means decline and poor health is probably the deadliest.

So long as we need to control other people, however benign our motives, we are captive to that need. In giving them freedom, we free ourselves.