Psalm 119:152

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

Luke 21:33

The heaven and the earth shall pass away, but my words shall in no wise pass away.

Psalm 89:34-37

My covenant will I not profane, nor alter the thing that is gone out of my lips.

Psalm 111:7-8

The works of his hands are truth and judgment; all his precepts are faithful:

Psalm 119:144

The righteousness of thy testimonies is for ever: give me understanding, and I shall live.

Psalm 119:160

The sum of thy word is truth, and every righteous judgment of thine is for ever.

Ecclesiastes 3:14

I know that whatever God doeth, it shall be for ever; there is nothing to be added to it, nor anything to be taken from it; and God doeth it, that men should fear 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 thy testimonies is for ever: give me understanding, and I shall live.
Psalm 89:34
My covenant will I not profane, nor alter the thing that is gone out of my lips.
Psalm 111:7
The works of his hands are truth and judgment; all his precepts are faithful:
Ecclesiastes 3:14
I know that whatever God doeth, it shall be for ever; there is nothing to be added to it, nor anything to be taken from it; and God doeth it, that men should fear before him.
Luke 21:33
The heaven and the earth shall pass away, but my words shall in no wise pass away.