He seems to stand back and appraise his own words in the same manner that he would stand back and appraise the words of other people. as he would = in the same manner Th verb is ellipted (I think that's the word - a fancy way of saying deliberately left out) because it's the same verb as the first part. Here's a simpler use of the same: This morning I will wash the sheets, and this afternoon, the towels.
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