This standpoint OF the reconciliation OF all contradictions has been attained in the main, we believe, 'by mankind in the Idealism founded by Kant and wrought out to perfection by his disciple Schopenhauer. For the truth of this Idealism is the more indubit ably confirmed, the more deeply we penetrate into it, by the threefold harmony which we meet in it, — harmony with itself, harmony with nature, and harmony with the thoughts of the wisest of all times. Moreover it is the Kantian distinction between phenomena and the thing-in-itself, and this distinction alone.