Grocott & Ward, comps. Grocott’s Familiar Quotations, 6th ed. 189-?.
Mettle
Why, now I see there’s mettle in thee; and even, from this instant, do build on thee a better opinion than before.
Shakespeare.—Othello, Act IV. Scene 2.
By this good light, a wench of matchless mettle!
Scott.—Fortunes of Nigel, Chap. XIX.