Able Quote by Seth Shostak

Sometime in the first billion years, life appeared on the earth's surface. Slowly, the fossil record indicates, living organisms climbed the ladder from simple…

— Robert Jastrow

Every creature alive on the earth today represents an unbroken line of life that stretches back to the first primitive organism to appear on…

— George Wald

“Life on earth evolved gradually beginning with one primitive life form – perhaps a self-replicating molecule – that lived more than 3.5 billion years…

— Jerry A. Coyne

The question of the origin of life is essentially speculative. We have to construct, by straightforward thinking on the basis of very few factual…

— John Desmond Bernal

We have seen that living things are too improbable and too beautifully 'designed' to have come into existence by chance.

— Richard Dawkins

The idea of spontaneous generation of life in its present form is therefore highly improbable even to the scale of the billions of years…

— Ilya Prigogine

Life existed on Earth for nearly four billion years before anything remotely resembling a human being showed up. And even then, when we started…

— Neil deGrasse Tyson

The important point is that since the origin of life belongs in the category of at-least-once phenomena, time is on its side. However improbable…

— George Wald

More than 500 million years ago, vision became the primary driving force of evolution's 'big bang', the Cambrian Explosion, which resulted in explosive speciation…

— Fei-Fei Li

After all, the universe required ten billion years of evolution before life was even possible; the evolution of the stars and the evolving of…

— John Polkinghorne

Life began three and a half billion years ago, necessarily about as simple as it could be, because life arose spontaneously from the organic…

— Stephen Jay Gould

The cosmos is three times as old as Earth. During most of creation's 14 billion year history, our solar system wasn't around. Nonetheless, the…

— Seth Shostak