Demand me nothing: what you know, you know. Author: William Shakespeare Copy Quote More from William Shakespeare “What if this cursed hand were thicker than itself with brother's blood, is ther…” “What a blow was there given!"Sebastian: "An it had not fallen flatlong.” “Use every man according to his desert and who should 'scape whipping? Use them …” “Make our faces vizards to our hearts, disguising what they are.”