Psalm 111:8
"They stand fast for ever and ever, and are done in truth and uprightness."
Cross References (ranked by relevance)
For verily I say unto you, Till heaven and earth pass, one jot or one tittle shall in no wise pass from the law, till all be fulfilled.
The fear of the LORD is clean, enduring for ever: the judgments of the LORD are true and righteous altogether.
Wherefore the law is holy, and the commandment holy, and just, and good.
The grass withereth, the flower fadeth: but the word of our God shall stand for ever.
And they sing 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 saints.
Do we then make void the law through faith? God forbid: yea, we establish the law.