Carl Sagan Quote

We are the product of 4.5 billion years of fortuitous, slow biological evolution. There is no reason to think that the evolutionary process has stopped. Man is a transitional animal. He is not the climax of creation.


Carl Sagan's Cosmic Connection: An Extraterrestrial Perspective (ed. Cambridge University Press, 1973) - ISBN: 9780521783033


We are the product of 4.5 billion years of fortuitous, slow biological evolution. There is no reason to think that the evolutionary process has...

We are the product of 4.5 billion years of fortuitous, slow biological evolution. There is no reason to think that the evolutionary process has...

We are the product of 4.5 billion years of fortuitous, slow biological evolution. There is no reason to think that the evolutionary process has...

We are the product of 4.5 billion years of fortuitous, slow biological evolution. There is no reason to think that the evolutionary process has...