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

 

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
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This quote is just one of 37 total Carl Sagan quotes in our collection. Carl Sagan is known for saying '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.' as well as some of the following quotes.

Science is not only compatible with spirituality; it is a profound source of spirituality.

Carl Sagan

Somewhere, something incredible is waiting to be known.

Carl Sagan

Where we have strong emotions, we're liable to fool ourselves.

Carl Sagan

Absence of evidence is not evidence of absence.

Carl Sagan

In our time, we have sifted the sands of Mars, we have established a presence there, we have fulfilled a century of dreams!

Carl Sagan