Behavior/biology

Famous quotes containing the words behavior and/or biology:

“Two things in America are astonishing: the changeableness of most human behavior and the strange stability of certain principles. Men are constantly on the move, but the spirit of humanity seems almost unmoved.”
—Alexis de Tocqueville (1805–1859)

“The “control of nature” is a phrase conceived in arrogance, born of the Neanderthal age of biology and the convenience of man.”
—Rachel Carson (1907–1964)