This essay on Wisdom and Destiny was to have been a thing of some twenty pages, the work of a fortnight; but the idea took root, others flocked to it, and the volume has occupied M. Maeterlinck continuously for more than two years. It has much essential kinship with the Treasure of the Humble, though it differs therefrom in treatment; for whereas the earlier work might perhaps be described as the eager speculation of a poet athirst for beauty, we have here rather the endeavour of an earnest thinker to discover the abode of truth.