People into hard sciences, neurophysiology, often ignore a core philosophical question: 'What is the relationship between our unique, inner experience of conscious awareness and material substance?' The answer is: We don't know, and some people are so terrified to say, 'I don't know.'

I felt the question of the afterlife was the black hole of the personal universe: something for which substantial proof of existence had been offered but which had not yet been explored in the proper way by scientists and philosophers.

If you present your dog to a veterinarian with the instruction to put him to sleep, you would normally mean something very different than you would upon taking your wife or husband to an anesthesiologist with the same words.

I have never been religious. I talk to God every day, but He's never said a word to me about religion! I think the most powerful prayer is surrender.