Hebrews 9:16

16.For where a testament is, etc. Even this one passage is a sufficient proof, that this Epistle was not written in Hebrew; for ברית means in Hebrew a covenant, but not a testament; but in Greek , διαθήκη, includes both ideas; and the Apostle, alluding to its secondary meaning, holds that the promises should not have been otherwise ratified and valid, had they not been sealed by the death of Christ. And this he proves by referring to what is usually the case as to wills or testaments, the effect of which is suspended until the death of those whose wills they are.

The Apostle may yet seem to rest on too weak an argument, so that what he says may be easily disproved. For it may be said, that God made no testament or will under the Law; but it was a covenant that he made with the ancient people. Thus, neither from the fact nor from the name, can it be concluded that Christ’s death was necessary. For if he infers from the fact, that Christ ought to have died, because a testament is not ratified except by the death of the testator, the answer may be this, that |berit|, the word ever used by Moses, is a covenant made between those who are alive, and we cannot think otherwise of the fact itself. Now, as to the word used, he simply alluded, as I have already said, to the two meanings it has in Greek; he therefore dwells chiefly on the thing in itself. Nor is it any objection to say, that it was a covenant that God made with his people; for that very covenant bore some likeness to a testament, for it was ratified by blood. (152)

We must ever hold this truth, that no symbols have ever been adopted by God unnecessarily or unsuitably. And God in establishing the covenant of the law made use of blood. Then it was not such a contract, as they say, between the living, as did not require death. Besides, what rightly belongs to a testament is, that it begins to take effect after death. If we consider that the Apostle reasons from the thing itself, and not from the word, and if we bear in mind that he avowedly takes as granted what I have already stated, that nothing has been instituted in vain by God, there will be no great difficulty.

If anyone objects and says, that the heathens ratified covenants according to the other meaning by sacrifices; this indeed I admit to be true; but God did not borrow the rite of sacrificing from the practice of the heathens; on the contrary, all the heathen sacrifices were corruptions, which had derived their origin from the institutions of God. We must then return to the same point, that the covenant of God which was made with blood, may be fitly compared to a testament, as it is of the same kind and character.