text:  In tracing therefore this author's double existence and in essaying to give some account of his external as well as his interior life--in sketching the poet and the man--we cannot fail to remark a striking exemplification of the principle to which we have alluded; and as we accompany in respectful admiration his short but brilliant career we shall have incessant occasion to remember the laws which regulated its march--laws ever-acting and eternal and no less apparent to the eye of enlightened criticism than are the mighty physical influences which guide the planets in their course to the abstract reason of the astronomer