Related:

• Deliberate provocation of mystical experience, particularly by LSD and related hallucinogens, in contrast to spontaneous visionary experiences, entails dangers that must not be underestimated.
  Practitioners must take into account the peculiar effects of these substances, namely their ability to influence our consciousness, the innermost essence of our being....
• I believe that if people would learn to use LSD's vision-inducing capability more wisely
  under suitable conditions, in medical practice and in conjution with meditation, then in the future this problem child could become a wonder child....
• The characteristic property of hallucinogens, to suspend the boundaries between the experiencing self and the outer world in an ecstatic
  emotional experience, makes it possible with their help, and after suitable internal and external preparation....
• Dr. Oliver Wendell Holmes of Harvard Medical School inhaled ether at a time when it was popularly supposed to produce such mystical or "mind-expanding" experience
  much as LSD is supposed to produce such experiences today....
• I tried LSD but I didn't actually swallow.
• Funny how life imitates LSD.
• LSD turned me into a business executive!
• I can say with confidence I know a fair bit about LSD. -- Dan Rathe
• The most interesting time of human life, I think, is when your heart stops, and for between two and 15 minutes, your brain is still running.
  I think the most interesting part of my life is going to happen in those two to 15 minutes....