“ Throughout modern times, ” he wrote, “practically every advance in science, in logic, or in philosophy has had to be made in the teeth of opposition from Aristotle’s disciples. ” ​ — History of Western Philosophy.
Ta kirjutas: „Sel sajandil on õigupoolest iga edusamm teaduses, loogikas ja filosoofias saavutatud Aristotelese mõtteviisi pooldajate vastuseisust hoolimata. ” ( „History of Western Philosophy ”.)