He was progressive and anti-progressive at once, and likewise at once both a critic of the "Zeitgeist" and its most interesting expression. He was, in effect, stranded on a beachhead of his own thinking between past and future. That he was not able, by himself, to fashion a bridge between them is neither surprising, nor, in the end, disappointing. We should see this failure, rather, as an aspect of his genius. He both was and was not a man of his time.