Task: Text Categorization
Input (English): This thinker wrote that God enables us to know God only through teaching us the "absolute difference" of sin, thus producing the "absolute paradox" of thought. This thinker described the unwillingness to believe in the self and God's plan for the self as the title form of despair, in a work written under the pseudonym Johannes Climacus. He attached to his Philosophical Fragments a Concluding Unscientific Postscript. He contrasted the Knight of Faith with the Knight of Infinite Resignation in a work that discusses the sacrifice of Isaac by Abraham. For 10 points, name this author of The Sickness unto Death and Fear and Trembling, a Danish existentialist philosopher.
Output (English): Social Science