< (Next) 4 > It has been used by Einstein, by some of the greatest thinkers, musicians, Mozart. They would allow themselves to play with the magic of life. Of course, they couldn't talk about it. They couldn't express it, but they knew it was an important element in their joy of life, in their work. Now, some of them said, "You know, I'm brilliant, but I must be crazy because I'm doing this." So they were afraid that they were losing their mind. Actually, they were, but that was a good thing.