Among the saints are also the truthful ones, may God be pleased with all of them. God has given them trustworthiness. God Almighty said, “Concerning those who believe in God and His Messenger, those are the truthful ones.” So the truthful one is the one who believes in God and His Messenger, according to the words of the informer, with no evidence other than the light of faith that he finds in his heart, which prevents him from hesitation or doubt that enters him into... The saying of the informer, the Messenger, and based on the truth, faith in the Messenger, and faith in God is based on closeness, not on proving it, as some of the truthful people have proven the existence of truth by necessity or consideration, but what has been proven is that it is closeness, and this verse indicates the honor of proving existence.