The cosmos is full beyond measure of elegant truths; of exquisite interrelationships; of the awesome machinery of nature.
Carl SaganThere are in fact 100 billion galaxies, each of which contain something like a 100 billion stars. Think of how many stars, and planets, and kinds of life there may be in this vast and awesome universe.
Carl SaganFew scientists now dispute that today's soaring levels of carbon dioxide and other gases in the atmosphere will cause global temperature averages to rise by as much as nine degrees Fahrenheit sometime after the year 2000.
Carl SaganOne of the saddest lessons of history is this: If weโve been bamboozled long enough, we tend to reject any evidence of the bamboozle. Weโre no longer interested in finding out the truth. The bamboozle has captured us. Itโs simply too painful to acknowledge, even to ourselves, that weโve been taken. Once you give a charlatan power over you, you almost never get it back.
Carl Sagan