p. 82 in Boyd R and Richerson P (1985) Culture and the evolutionary process. The University of Chicago Press
Quotes that are not necessarily as true as they are thought-provoking, not necessarily as scientific as they are aesthetic. But apart from amusing they may define the boundaries of the possible by violating them. Einsturzende Neubauten sing: “Keine Schönheit Ohne Gefahr.” One might add that this is also true for truth.