"I consider the best judge to be the one who knows how to listen to both sides."

"The deeper I go into the sciences, the more I am convinced that the world is the work of an all-wise Creator."

"It is a false and dangerous opinion that the authority of Scripture should be preferred to the authority of reason."

"I have never met a man so ignorant that I couldn't learn something from him."

"I hold the sun to be situated motionless in the center of the revolution of the celestial orbs while the earth revolves around the sun."