Mystical experiences nearly always lead one to a belief that some aspect of consciousness is imperishable. In a Buddhist metaphor the consciousness of the individual is like a flame that burns through the night. It is not the same flame over time, yet neither is it another flame.

...As Thomas Kuhn pointed out in The Structure of Scientific Revolutions, new scientific theories in any field are regarded with skepticism because scientists become attached to the old perspective earlier in their careers.

Your past is not your potential. In any hour you can choose to liberate the future.

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.

Sometimes in astronomy, a heavenly body has been virtually invisible until a single observer detects its presence and points it out to his colleagues, who then see it with increasing clarity. Perhaps a myriad of unknown senses are only awaiting our consciousness.

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

Real progress in understanding nature is rarely incremental. All important advances are sudden intuitions, new principles, new ways of seeing.