"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."

"I also did some jail time a few years ago. Spent a whole summer in jail reading books. I pumped a ton of new knowledge and new thinking into myself."

"The pace at which people are taking to digital technology defies our stereotypes of age, education, language and income."

"A little knowledge is a dangerous thing. Drink deep, or taste not the Pierian spring."

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

"Angry people are not always wise."