His collected writings include Against the Current, Concepts and Categories, and Russian Thinkers. His Historical Inevitability examines the debate between determinism and free will, while his Four Essays on Liberty argues that man is morally free. FTP, identify this Latvian-born philosopher, who took a phrase from Archilochus for the title of his essay on Tolstoys theory 
His collected writings include Against the Current, Concepts and Categories, and Russian Thinkers. His Historical Inevitability examines the debate between determinism and free will, while his Four Essays on Liberty argues that man is morally free. FTP, identify this Latvian-born philosopher, who took a phrase from Archilochus for the title of his essay on Tolstoys theory of history, The Hedgehog and the Fox.
His collected writings include Against the Current, Concepts and Categories, and Russian Thinkers.
Sir Isaiah {Berlin}