I say that it consisted in none of those things, but only in the love of God, and that God disregarded all the other things.
That God did not accept the posterity of Abraham.
That the Jews were to be punished like strangers, if they transgressed. Deut. viii, 19; “If thou do at all forget the Lord thy God, and walk after other gods, I testify against you this day that ye shall surely perish, as the nations which the Lord destroyeth before your face.”
That strangers, if they loved God, were to be received by Him as the Jews. Isaiah lvi, 3: “Let not the stranger say, ’The Lord will not receive me.’ The strangers who join themselves unto the Lord to serve Him and love Him, will I bring unto my holy mountain, and accept therein sacrifices, for mine house is a house of prayer.”
That the true Jews considered their merit to be from God only, and not from Abraham. Isaiah lxiii, 16; “Doubtless thou art our Father, though Abraham be ignorant of us, and Israel acknowledge us not. Thou art our Father and our Redeemer.”
Moses himself told them that God would not accept persons. Deut. x, 17: “God,” said he, “regardeth neither persons nor sacrifices.”
The Sabbath was only a sign, Exod. xxxi, 13; and in memory of the escape from Egypt, Deut. v, 19. Therefore it is no longer necessary, since Egypt must be forgotten.
Circumcision was only a sign, Gen. xvii, 11. And thence it came to pass that, being in the desert, they were not circumcised because they could not be confounded with other peoples; and after Jesus Christ came, it was no longer necessary.
That the circumcision of the heart is commanded. Deut. x, 16; Jeremiah iv, 4: “Be ye circumcised in heart; take away the superfluities of your heart, and harden yourselves not. For your God is a mighty God, strong and terrible, who accepteth not persons.”
That God said He would one day do it. Deut. xxx, 6; “God will circumcise thine heart, and the heart of thy seed, that thou mayest love Him with all thine heart.”
That the uncircumcised in heart shall be judged. Jeremiah ix, 26: For God will judge the uncircumcised peoples, and all the people of Israel, because he is “uncircumcised in heart.”
That the external is of no avail apart from the internal. Joel ii, 13: Scindite corda vestra, etc.; Isaiah lviii, 3, 4, etc.
The love of God is enjoined in the whole of Deuteronomy. Deut. xxx, 19: “I call heaven and earth to record that I have set before you life and death, that you should choose life, and love God, and obey Him, for God is your life.”
That the Jews, for lack of that love, should be rejected for their offences, and the heathen chosen in their stead. Hosea i, 10; Deut. xxxii, 20. “I will hide myself from them in view of their latter sins, for they are a froward generation without faith. They have moved me to jealousy with that which is not God, and I will move them to jealousy with those which are not a people, and with an ignorant and foolish nation.” Isaiah lxv, 1.