"God gives every animal the means of saving its life—why object if he gives astrology to the astronomer?"

"I am a Lutheran astrologer, I throw away the nonsense and keep the hard kernel."

"I measured the heavens, and I measured the shadows, but I did not measure my own soul."

"God himself is the first and greatest geometrician."

"I have been a teacher, and I have learned much from my students."