"The world is given to us to be contemplated, not to be enjoyed."

"The more we are ourselves, the less we resemble others."

"The greatest achievements of the human mind are generally received with distrust."

"Just remember, once you're over the hill you begin to pick up speed."

"If children were brought into the world by an act of pure reason alone, would the human race continue to exist? Would not a man rather have so much sympathy with the coming generation as to spare it t…"