How Do You Know That You Love Somebody? Philosopher Martha Nussbaum’s Incompleteness Theorem of the Heart’s Truth, from Plato to Proust By Maria Popova “The state of enchantment is one of certainty,” W.H. Auden wrote in his commonplace book. “When enchanted, we neither believe nor doubt nor deny: we know, even if, as in the case of a false enchantment, our knowledge is self-deception.” Nowhere is ...