It is as absurd to expect members of philosophy departments to be philosophers as it is to expect members of art departments to be artists. Liberalism: Ancient and Modern (1968)
Political philosophy has lost its credibility in proportion as politics itself has become more philosophic than ever in a sense. Philosophy as Rigorous Science and Political Philosophy (1971)
The purpose of Plato, or of Aristotle, as Fārābī conceived of it, is sufficiently revealed in this seemingly conventional praise of philosophy. Persecution and the Art of Writing (1952)