"For a long time I was restless. Now, however, behold how through my effort God is being celebrated in astronomy."

"I am a Christian. I believe in the Trinity."

"I much prefer the sharpest criticism of a single intelligent man to the thoughtless approval of the masses."

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

"God himself is the first and greatest geometrician."