Our past is not our potential.

Spirituality is a kind of virgin wisdom, a knowing that comes prior to experience.

Real progress in understanding nature is rarely incremental. All important advances are sudden intuitions, new principles, new ways of seeing. We have not fully recognized this process of leaping ahead, however, in part because textbooks tend to tame revolutions...They describe the advances as if they had been logical in their day, not all shocking.

Whatever the rationale, the suppression of unorthodox cancer therapies and the sustained persecution of their proponents by government and colleagues runs counter to freedom of thought, much less freedom of choice.

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.

War is unthinkable in a society of autonomous people who have discovered the connectedness of all humanity, who are unafraid of alien ideas and alien cultures, who know that all revolutions begin within and that you cannot impose your brand of enlightenment on anyone else.

New perspectives give birth to new historic ages. Humankind has had many dramatic revolutions of understanding - great uses of fire and the wheel, language and writing. We found that the earth only seems flat, the sun only seems to circle the earth, matter only seems solid.