 The Sterns collaborated intellectually, writing an article together on Rilke's "Duino Elegies" (1923) and both reviewing Mannheim's "Ideologie und Utopie" (1929).The latter was Arendt's sole contribution in sociology.In both her treatment of Mannheim and Rilke, Arendt found love to be a transcendent principle "Because there is no true transcendence in this ordered world, one also cannot exceed the world, but only succeed to higher ranks".