"We humans look rather different from a tree. Without a doubt we perceive the world differently than a tree does. But down deep, at the molecular heart of life, the trees and we are essentially identical." - Carl Sagan

Carl Sagan: We humans look rather different from a tree. Without...

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"We humans look rather different from a tree. Without a doubt we perceive the world differently than a tree does. But down deep, at the molecular heart of life, the trees and we are essentially identical." - Carl Sagan

Uploaded 7 years ago