Be it remembered that man subsists upon the air more than upon his meat and drink; but no one can exist for an hour without a copious supply of air. The atmosphere which some breathe is contaminated and adulterated, and… — William Makepeace Thackeray Copy Share Image
We are blessed with a place that is open to the universe and, despite this, supports this very thin envelope of air we call atmosphere, which holds just the right amount of oxygen for us to breathe. — Sylvia Earle Copy Share Image
