hoof. Figure of speech Synecdoche (of Part), App-6, "hoof" put for whole animal.
we know not. Note the contrast between the " thou " of Exodus 10:25 and the "we" of Exodus 10:26.
until we come thither. Note the spiritual lesson. Not until we leave the world can we have. true conception of Jehovah's requirements: "if any man do His will he shall know of the doctrine" (John 7:17).