"Respect for the elderly is the first sign of civilization."

"Our body is a machine for living. It is organized for that. Stop him in his tracks, it will last longer."

"There is no greatness where there is not simplicity, goodness, and truth."

"I sit on a man's back, choking him and making him carry me, and yet assure myself and others that I am very sorry for him and wish to ease his lot by all possible means—except by getting off his back."

"It is not the quantity but the quality of knowledge that matters."