Sordello's self: whereas for Mankind springs
Salvation by each hindrance interposed.
They climb; life's view is not at once disclosed
To creatures caught up, on the summit left,
Heaven plain above them, yet of wings bereft:
But lower laid, as at the mountain's foot.
So, range on range, the girdling forests shoot
Twixt your plain prospect and the throngs who scale
Height after height, and pierce mists, veil by veil,
Heartened with each discovery; in their soul,