Famous quotes containing the words purifying and/or selection:
“I, schooled in misery, know many purifying rites, and I know where speech is proper and where silence.”
—Aeschylus (525–456 B.C.)
“Historians will have to face the fact that natural selection determined the evolution of cultures in the same manner as it did that of species.”
—Konrad Lorenz (1903–1989)