2 Samuel 7:28

And now, O Lord GOD, you are God, and your words are true, and you have promised this good thing to your servant.

John 17:17

Sanctify them in the truth; your word is truth.

Exodus 34:6

The LORD passed before him and proclaimed, "The LORD, the LORD, a God merciful and gracious, slow to anger, and abounding in steadfast love and faithfulness,

Numbers 23:19

God is not man, that he should lie, or a son of man, that he should change his mind. Has he said, and will he not do it? Or has he spoken, and will he not fulfill it?

Titus 1:2

in hope of eternal life, which God, who never lies, promised before the ages began

Treasury of Scripture Knowledge

Summary

And now, O Lord GOD, thou art that God, and thy words be true, and thou hast promised this goodness unto thy servant:

Bible References

Thy words

Numbers 23:19
God is not man, that he should lie, or a son of man, that he should change his mind. Has he said, and will he not do it? Or has he spoken, and will he not fulfill it?
John 17:17
Sanctify them in the truth; your word is truth.
Titus 1:2
in hope of eternal life, which God, who never lies, promised before the ages began

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.