“My own sense is that the acquisition of self knowledge has been made difficult by the modern world. More and more human beings live in vast urban environments, surrounded by other human beings and ...”

“I believe the experiences reported in this book are reproducible by anyone who wishes to try. I went to Africa. You can go to Africa. You may have trouble arranging the time or the money, but every...”

“Skeptical scientists often point out, as Carl Sagan has, that the wonders of real science far surpass the supposed wonders of fringe science. I think it is possible to invert that idea, and to say ...”

“As the practical value of altering consciousness becomes recognized, procedures to effect these alterations will become increasingly ordinary and unremarkable. The whole concept of changing states ...”

“Sometimes, insatiable curiosity and compassion are all that life requires of us.”

“Curiosity is the one thing invincible in Nature.”

“If spectacle is lacking in everyday life, it may be because we have forgotten where and how to look.”

“I swear the earth shall surely be complete to him or her who shall be complete,The earth remains jagged and broken only to him or her who remains jagged and broken.”

“Deliverance is not for me in renunciation. I feel the embrace of freedom in a thousand bonds of delight.”

“The Shadow-maker shapes forever.”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”