"The universe is far more complex and wondrous than we can imagine."

"I have a theory that the Earth is not the center of the universe, but I dare not speak it aloud."

"I have sought to correct the errors of the ancients, not to invent new ones."

"I have wrestled with the heavens, and I have found joy in the struggle."

"I have discovered that the planets do not move in perfect circles, but in ellipses."