There are some quotations so arresting, so perfect in simplicity, that they never leave the memory. They are honeyed phrases for the mind: "Beauty will save the world," says a prince in Dostoevsky's unfortunately-titled The Idiot. The prince speaks as one having authority: beauty will save the world. Or there is Keats in his "Ode on a Grecian Urn": " ‘Beauty is truth, truth beauty'-that is all / Ye know on earth, and all...