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

The Rock, his work is perfect, for all his ways are just. A God of faithfulness who does no wrong, just and right is he.

so that he who blesses himself in the earth shall bless himself in the God of truth; and he who swears in the earth shall swear by the God of truth; because the former troubles are forgotten, and because they are hidden from my eyes.