No More Learning

First let me note that the maid to us           (assert they)
Was but a fraud: her mate never a touch of her had, 20
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But that a father durst dishonour the bed of his firstborn,
Folk all swear, and the house hapless with incest bewray;
Or that his impious mind was blunt with fiery passion 25
Or that his impotent son sprang from incapable seed.