Archaic Torso of Apollo by Rainer Maria Rilke   I have read and taught Rilke’s Petrarchan sonnet “Archaïscher Torso Apollos” many times — that is, in Stephen Mitchell’s beautiful and powerful English translation— and I even have some things to say about it in an essay in my latest book. But it wasn’t until I sat down just now to think anew about the famous volta in the final line that I quite realized how Rilke prepares the way with two earlier images of turning. The first is to be found in lines four and five, where he compares the statue’s torso to a candelabrum (“ein Kandelaber”), or, in Mitchell’s version, “a lamp, in which his gaze, now turned to low, // gleams in…