For those of you who need the hint, the figure in the photo is that of Cardinal Roger Mahony of Los Angeles. If you know things about him, please offer a caption over at Karen Hall's blog Some Have Hats. I'm sure you'll have as much fun as I did!
Note from Philoponus
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(turning his example into an analogy) As the sleeping geometer knows the
theorem, the structure of the living eye is vision.
1 hour ago
