More art and intellect ere it unlock, For it is that which doth the knot unloose. From Peter I have them; and he bade me err Rather in opening than in keeping shut, If people but fall down before my feet.” Then pushed the portals of the sacred door, Exclaiming: “Enter; but I give you warning That forth returns whoever looks behind.” 695 And when upon their hinges were turned round The swivels of that consecrated gate, Which are of metal, massive and sonorous, Roared not so loud, nor so discordant seemed 696 Tarpeia, when was ta’en from it the good Metellus, wherefore meagre it remained. 697 At the first thunder-peal I turned attentive, And “ Te Deum laudamus ” seemed to hear 698 In voices mingled with sweet melody. Exactly such an image rendered me