Famous quotes containing the words single and/or species:
“It’s impossible for someone who is human to have all good things together, just as there is no single country able to provide all good things for itself.”
—Herodotus (c. 484–424 B.C.)
“The principle of avoiding the unnecessary expenditure of energy has enabled the species to survive in a world full of stimuli; but it prevents the survival of the aristocracy.”
—Rebecca West (1892–1983)