Bible Verses About The Truth of God: Is one of his attributes

The Rock, his work is perfect; For all his ways are justice: A God of faithfulness and without iniquity, Just and right is he.

so that he who blesseth himself in the earth shall bless himself in the God of truth; and he that sweareth in the earth shall swear by the God of truth; because the former troubles are forgotten, and because they are hid from mine eyes.