Psalm 119:152

Of old I have known from your laws that you have founded them forever.

Luke 21:33

Heaven and earth will pass away: but my words will not pass away.

Psalm 89:34-37

I will not dishonor my promise or alter my own agreement.

Psalm 111:7-8

His works are done with truth and justice. All his guiding principles are trustworthy.

Psalm 119:144

Your laws are righteous forever. Give me understanding that I may live.

Psalm 119:160

Your word is truth from the very beginning! Every one of your righteous ordinances endures forever.

Ecclesiastes 3:14

I know that whatever God does it will be forever. Nothing can be added to it, nor any thing taken from it. God does it in order that men should reverence (respect) 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
Your laws are righteous forever. Give me understanding that I may live.
Psalm 89:34
I will not dishonor my promise or alter my own agreement.
Psalm 111:7
His works are done with truth and justice. All his guiding principles are trustworthy.
Ecclesiastes 3:14
I know that whatever God does it will be forever. Nothing can be added to it, nor any thing taken from it. God does it in order that men should reverence (respect) him.
Luke 21:33
Heaven and earth will pass away: but my words will not pass away.