Keith Joseph, in whose honour this Lecture is delivered, had the charm of a hundred paradoxes. He was a modest man; but, unlike so many modest men, he had really nothing to be modest about. He was (that overworked, but in this case appropriate word) “brilliant”; yet he never indulged in intellectual virtuosity. He was brave; yet by nature he was timid. He could seem cerebral and remote; but he had a warm heart and impish humour that made his friendship an inexpressible delight.