“Give me a place to stand, and a lever long enough, and I will move the world.”

“Of all creatures that breathe and move upon the earth, nothing is bred that is weaker than man.”

“If I cannot move heaven, I will raise hell.”

“Nothing is absolute. Everything changes, everything moves, everything revolves, everything flies and goes away.”

“Mathematics reveals its secrets only to those who approach it with pure love, for its own beauty.”

“Man has always learned from the past. After all, you can't learn history in reverse!”

“Rise above oneself and grasp the world.”