"A thousand years ago, everybody knew the Earth was the center of the universe. Five hundred years ago, they knew the Earth was flat. Fifteen minutes ago, you knew we humans were alone on it. Imagine what you'll know tomorrow."

"A sarcastic person is a person who is not only witty but also wise."

"I have never met a man so ignorant that I couldn't learn something from him."

"Sarcasm is the lowest form of wit but the highest form of intelligence."

"I can resist everything except temptation."

"You have to be a speedy reader because there’s so so much to read."