1,131 Quotes by Carl Sagan

We are privileged to live in, and if we are lucky to influence, one of the most critical epochs in the history of the human species.

Apart from the social insects, no other species has been clever enough to invent war It is an institution optimally configured to benefit the alphas.

Nearly everyone in ancient Egypt exhorted the gods to let the Pharaoh live ’forever. These collective prayers failed. Their failure constitutes data.

The price we pay for anticipation of the future is anxiety about it.

Few 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.

The lure of the marvelous blunts our critical faculties.

An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God. I know of no such compelling evidence.

A new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself is doomed. We are one planet.

I don’t know where I’m going, but I’m on my way.