Words of wisdom from Luc de Clapiers, marquis de Vauvenargues: "In order to achieve great things, we must live as though we were never going to die."

"We judge ourselves by what we feel capable of doing, while others judge us by what we have already done."

Words of wisdom from Marie Curie: "One never notices what has been done; one can only see what remains to be done."

"It's always better to leave the party early," said Bill Watterson, author of the beloved comic strip "Calvin and Hobbes." Watterson famously chose to end "Calvin and Hobbes" in 1995 after only 10 years of syndication.

"There's a hell of a distance between wisecracking and wit. Wit has truth in it; wisecracking is simply calisthenics with words."

"We live in a society absolutely dependent on science and technology and yet have cleverly arranged things so that almost no one understands science and technology. That's a clear prescription for disaster."

Global Population Boom: Are People the Problem, the Solution, or Both? Professor Joel Cohen first asks and answers the question, “How did humans grow from small populations on the African […]