Here then He naturally saith it, where it is tithe and almsgiving, for what doth it hurt to give alms? But not to keep the law; for neither doth it say thus. Therefore here indeed He saith, “These ought ye to have done;” but where He is speaking about clean and unclean, He no longer adds this, but makes a distinction, and shows that the inward purity is necessarily followed by the outward, but the converse is no longer so.