So oft as i her beauty do behold, and therewith do her cruelty compare, i marvel of what substance was the mould the which her made at once so cruel-fair. now read the lines from shakespeare's "sonnet 131." thou art as tyrannous, so as thou art, as those whose beauties proudly make them cruel; for well thou know'st to my dear doting heart thou art the fairest and most precious jewel. the idea in the sonnets are similar because both sonnets focus on