2 Samuel 7:28

And now, O lord LORD, thou are God, and thy words are truth, and thou have promised this good thing to thy servant.

John 17:17

Sanctify them in thy truth. Thy word is truth.

Exodus 34:6

And LORD passed by before him, and proclaimed, LORD, LORD, a God merciful and gracious, slow to anger, and abundant in loving kindness and truth,

Numbers 23:19

God is not a man, that he should lie, neither the son of man, that he should repent. Has he said, and will he not do it? Or has he spoken, and will he not make it good?

Titus 1:2

in hope of eternal life, which the non-lying God promised before times eternal,

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 a man, that he should lie, neither the son of man, that he should repent. Has he said, and will he not do it? Or has he spoken, and will he not make it good?
John 17:17
Sanctify them in thy truth. Thy word is truth.
Titus 1:2
in hope of eternal life, which the non-lying God promised before times eternal,