2 Samuel 7:28

And now, O Lord GOD, thou art God, and thy words shall be firm, and thou hast spoken this goodness unto thy slave.

John 17:17

Sanctify them in thy truth; thy word is the truth.

Exodus 34:6

And as the LORD passed by before him, he proclaimed, I AM, I AM strong, merciful, and gracious, longsuffering, and abundant in mercy and truth,

Numbers 23:19

God is not a man, that he should lie; neither the son of man, that he should repent; he said and shall he not do it? He spoke and shall he not execute it?

Titus 1:2

for the hope of eternal life, which God, who cannot lie, promised before the times of the 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, that he should lie; neither the son of man, that he should repent; he said and shall he not do it? He spoke and shall he not execute it?
John 17:17
Sanctify them in thy truth; thy word is the truth.
Titus 1:2
for the hope of eternal life, which God, who cannot lie, promised before the times of the ages