"Truth" of God is God's established Laws, Commandments, which are always unchangeable, eternal, gracious, just.

"Truth" is the sum total of the Truth of God's beneficent Will as expressed by the Patriarchs, Prophets, Christ, Apostles in the Holy Scriptures.

"Truth" of God is His physical and spiritual Laws, carried out as the inevitable, objective Lawfulness of the visible and invisible world. 

"Truth" is the spiritual, moral Laws of life - the Commandments of God, embodied, proven, revealed, confirmed by the way of life of all the Righteous and the Great Righteous Man - Jesus Christ.