Yin people ring the bells, saying, "Pay attention." And you say, "Oh, I see now." Yet I'm a fairly skeptical person. I'm educated, I'm reasonably sane, and I know that this subject is fodder for ridicule. ... To write the book, I had to put that aside. As with any book. I go through the anxiety, "What will people think of me for writing something like this?" But ultimately, I have to write what I have to write about, including the question of life continuing beyond our ordinary senses.