What is the reason that at this point he speaks in the tone of invective (καταφορικὥς)? Great was his boldness of speech, when at the point to die: for in fact I think he knew that this was the case. You stiffnecked, he says, and uncircumcised in heart and ears. This also is from the prophets: nothing is of himself. You do always resist the Holy Ghost: as your fathers did, so do ye.