Hebrews 10:7
So I said, 'See, I have come! as the Book of the Law says of me, O God, to do your will!' "
Hebrews 7:18-19
So an earlier regulation is abrogated because it was poor and ineffective
Hebrews 8:7-13
For if that first agreement had been perfect, there would have been no occasion for a second one.
Hebrews 9:11-14
But when Christ came, as the high priest of the better system under which we live, he went once for all, through that greater, more perfect tent of worship not made by human hands nor a part of our material creation, into the sanctuary,
Hebrews 12:27-28
Now the words "But once more" indicate the final removal of all that is shaken, as only created, leaving only what is unshaken to be permanent.