Matthew 5:18

I assure you, heaven and earth may as well cease to be, as that one jot or one tittle of the law should fail of its completion.

Revelation 15:3

and they sung the song of Moses, the servant of God, and the song of the lamb, saying, "great and marvellous are thy works, Lord God almighty; just and true are thy ways, thou king of ages.

Romans 3:31

do we then make the law useless by our doctrine of faith? by no means; on the contrary, it is we that observe the law.

Romans 7:12

wherefore the law is holy; and the commandment holy, and just, and good.

Treasury of Scripture Knowledge

Summary

They stand fast for ever and ever, and are done in truth and uprightness.

Bible References

They

Matthew 5:18
I assure you, heaven and earth may as well cease to be, as that one jot or one tittle of the law should fail of its completion.
Romans 3:31
do we then make the law useless by our doctrine of faith? by no means; on the contrary, it is we that observe the law.

Are done

Romans 7:12
wherefore the law is holy; and the commandment holy, and just, and good.
Revelation 15:3
and they sung the song of Moses, the servant of God, and the song of the lamb, saying, "great and marvellous are thy works, Lord God almighty; just and true are thy ways, thou king of ages.