"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."

"The difficulties in the study of the infinite arise because we attempt, with our finite minds, to discuss the infinite, assigning to it those properties which we give to the finite and limited; but th…"

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

"Philosophy is written in this grand book, the universe, which stands continually open to our gaze. But the book cannot be understood unless one first learns to comprehend the language and interpret th…"

"It is a great pity that there are so few who are interested in the true causes of things."