sentences:  Wallace's "Kant" (1882), part of Blackwood's Philosophical Classics series, portrayed the German philosopher as engaged in a dialogue with John Locke and David Hume, two of the most influential British Empiricists.He published "The Life of Arthur Schopenhauer" in 1890 in which his biographical account was accompanied by a critique of the philosopher's rejection of empiricism and materialism.He attacked Schopenhauer's "unconquerable vanity" but praised his insight into the power of art and his belief that "the best life is one predicated on the underlying unity of all experience".