George Walter Prothero,
Dictionary of National Biography…
(1912)
“ The book achieved great and immediate success, and at once raised Lecky, then only twenty-seven years old, into the front rank of contemporary authors. It is a striking combination of history and philosophy, of the essay and the narrative. It displays wide and often abstruse reading, with a great power of thought and generalisation; and it derives unity from the dominance of a central idea—the development of reason, and the decay of superstition as a power in human society. It traces this evolution from the days of the early church, through the 'Dark Ages,' down to the Reformation. ”
