A few weeks after Friedrich Nietzsche bragged to an admirer that he had completed a ruthless attack on our Lord, he collapsed, had convulsions, shouted like a madman and never recovered his faculties again. It was early 1889. He was 44 years old, his books had just begun to be noticed, and he lived for a decade longer, empty-eyed, silent and entirely unaware of the fame that was about to engulf him.