Jacob, F. (1977) Evolution and tinkering. Science 196:1161–66 (p. 1163)
(In other words: adaptations are jerry-rigged solutions. there is no plan. only bricolage.)
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.