If one bear holy flesh, &c.] The meaning is, as according to the law, every thing that toucheth a holy thing, as the flesh of sacrifices is, ought to be clean, and though it be so, yet it cannot put any holinesse into a thing, which by Gods command is but for ordinary uses, but may by it uncleannesse defile a thing which is pure and holy: so the holinesse of my service dependeth not upon you, but upon my free institution; but you may make it unclean by your uncleannesse, hypocrisie, and evill conscience. bread] That is, ordinary bread.