Psalm 119:152

Concerning your testimonies, I knew long ago that you have established them forever.

Luke 21:33

Heaven and earth will pass away, but my words will never pass away.

Psalm 89:34-37

I will not defile my covenant, or alter what proceeded from my lips.

Psalm 111:7-8

The works of his hands [are] faithfulness and justice; all his precepts [are] reliable.

Psalm 119:144

The righteousness of your testimonies [is] forever; give me understanding that I may live.

Psalm 119:160

The {whole} of your word [is] truth, and your every righteous judgment [endures] forever.

Ecclesiastes 3:14

I know everything God does endures forever; nothing can be added to it, and nothing can be taken from it, for God so acts that humans might stand in awe before him.

Treasury of Scripture Knowledge

Summary

Concerning thy testimonies, I have known of old that thou hast founded them for ever.

Bible References

Thy testimonies

Psalm 119:144
The righteousness of your testimonies [is] forever; give me understanding that I may live.
Psalm 89:34
I will not defile my covenant, or alter what proceeded from my lips.
Psalm 111:7
The works of his hands [are] faithfulness and justice; all his precepts [are] reliable.
Ecclesiastes 3:14
I know everything God does endures forever; nothing can be added to it, and nothing can be taken from it, for God so acts that humans might stand in awe before him.
Luke 21:33
Heaven and earth will pass away, but my words will never pass away.