Famous quotes containing the words american, planetary and/or scientist:
“Even American women are not felt to be persons in the same sense as the male immigrants among the Hungarians, Poles, Russian Jews,—not to speak of Italians, Germans, and the masters of all of us—the Irish!”
—Mary Putnam Jacobi (1842–1906)
“We cannot cheat on DNA. We cannot get round photosynthesis. We cannot say I am not going to give a damn about phytoplankton. All these tiny mechanisms provide the preconditions of our planetary life. To say we do not care is to say in the most literal sense that “we choose death.””
—Barbara Ward (1914–1981)
“As a scientist I’m afraid I’m a professional skeptic who doubts everything, even the certainties.”
—Karl Brown (1897–1990)