There is no heroic poem in the world but is at bottom a biography, the life of a man; also, it may be said, there is no life of a man, faithfully recorded, but is a heroic poem of its sort, rhymed or unrhymed.

Thomas Carlyle (1795-1881) Scottish essayist and historian

“Sir Walter Scott,” London and Westminster Review No. 12 and 55, Art. 2 (1838-01)
    (Source)

A review of Scott's Memoirs of the Life of Sir Walter Scott, Baronet, Vols. 1-6 (1837). Reprinted in Carlyle, Critical and Miscellaneous Essays (1827-1855).