Animal Quote by David Attenborough

If all mankind were to disappear, the world would regenerate back to the rich state of equilibrium that existed ten thousand years ago. If…

— E. O. Wilson

If we [humans] disappeared overnight, the world would probably be better off.

— David Attenborough

If all insects disappeared, all life on earth would perish. If all humans disappeared, all life on earth would flourish.

— Jonas Salk

So important are insects and other land-dwelling arthropods that if all were to disappear, humanity probably could not last more than a few months.

— E. O. Wilson

Half of all species on Earth could disappear by the end of the century because of our collective impact.

— Louie Psihoyos

You know, at times like this one feels, well, perhaps extinct animals should be left extinct.

— Michael Crichton

If we were to wipe out insects alone on this planet, the rest of life and humanity with it would mostly disappear from the…

— E. O. Wilson

If current technological processes continue without change, the environment will change, and we, the human species, will either have to mutate or even die,…

— Mikhail Gorbachev

Animals form an inalienable fragment of nature, and if we hasten the disappearance of even one species, we diminish our world and our place…

— James A. Michener

In a few generations more, there will probably be no room at all allowed for animals on the earth: no need of them, no…

— Ouida

If we lose half the species, which could happen by the end of the century if we don't do anything, that's going to create…

— E. O. Wilson

In many environments, take away the ants and there would be partial collapses in many of the land ecosystems.

— E. O. Wilson