2 Samuel 7:28

And now, Lord Jehovah, Thou art God Himself, and Thy words are truth, and Thou speakest unto Thy servant this goodness,

John 17:17

sanctify them in Thy truth, Thy word is truth;

Exodus 34:6

and Jehovah passeth over before his face, and calleth: 'Jehovah, Jehovah God, merciful and gracious, slow to anger, and abundant in kindness and truth,

Numbers 23:19

God is not a man -- and lieth, And a son of man -- and repenteth! Hath He said -- and doth He not do it? And spoken -- and doth He not confirm it?

Titus 1:2

upon hope of life age-during, which God, who doth not lie, did promise before times of ages,

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 -- and lieth, And a son of man -- and repenteth! Hath He said -- and doth He not do it? And spoken -- and doth He not confirm it?
John 17:17
sanctify them in Thy truth, Thy word is truth;
Titus 1:2
upon hope of life age-during, which God, who doth not lie, did promise before times of ages,