The Sickness Unto DeathThe "greatest psychologist of the spirit since St. Augustine" (Gregory R. Beabout), Soren Kierkegaard is renowned for such richly imagined philosophical works as Fear and Trembling and The Concept of Anxiety. Yet only The Sickness unto Death condenses his most essential ideas on aesthetics, ethics, and religion into a single volume. First published in 1849 under the pseudonym Anti Climacus, The Sickness unto Death is as demanding as it is concise,