Psalm 111:8

They are sustained for ever to the age. They are made in truth and uprightness.

Matthew 5:18

for, verily I say to you, till that the heaven and the earth may pass away, one iota or one tittle may not pass away from the law, till that all may come to pass.

Psalm 19:9

The fear of Jehovah is clean, standing to the age, The judgments of Jehovah are true, They have been righteous -- together.

Isaiah 40:8

Withered hath grass, faded the flower, But a word of our God riseth for ever.

Revelation 15:3

and they sing the song of Moses, servant of God, and the song of the Lamb, saying, 'Great and wonderful are Thy works, O Lord God, the Almighty, righteous and true are Thy ways, O King of saints,

Psalm 119:127-128

Therefore I have loved Thy commands Above gold -- even fine gold.

Romans 3:31

Law then do we make useless through the faith? let it not be! yea, we do establish law.

Romans 7:12

so that the law, indeed, is holy, and the command holy, and righteous, 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
for, verily I say to you, till that the heaven and the earth may pass away, one iota or one tittle may not pass away from the law, till that all may come to pass.
Romans 3:31
Law then do we make useless through the faith? let it not be! yea, we do establish law.

Are done

Psalm 19:9
The fear of Jehovah is clean, standing to the age, The judgments of Jehovah are true, They have been righteous -- together.
Psalm 119:127
Therefore I have loved Thy commands Above gold -- even fine gold.
Romans 7:12
so that the law, indeed, is holy, and the command holy, and righteous, and good.
Revelation 15:3
and they sing the song of Moses, servant of God, and the song of the Lamb, saying, 'Great and wonderful are Thy works, O Lord God, the Almighty, righteous and true are Thy ways, O King of saints,