Treasury of Scripture Knowledge
The person who has accepted Jesus' testimony has confirmed this [fact], that God is truthful.
2 Corinthians 1:18
But just as certainly as God is dependable, our message to you is not [both] "yes" and "no" [at the same time].
[and provides] hope for never ending life. God, who cannot lie, promised this [life] before the beginning of time,
He did this so that by two unchangeable things [i.e., His promise and His oath], (and it is impossible for God to lie), we, who have fled [to God] for refuge, could be greatly encouraged to take hold of the hope set before us [i.e., the hope of never ending life].
1 John 5:10
The person who [sincerely] believes in God's Son has the evidence [of it] within his heart, [confirming God's testimony]. The person who does not believe God [i.e., what He says about Jesus], accuses Him of lying, because he has not accepted the [irrefutable] testimony of God concerning [the identity and mission of] His Son.
"And write [this] to the angel of the church at Philadelphia: These are the words of Him who is holy and true, [and] who possesses the key [i.e., the power and authority] of King David, [and] who opens [a door] which no one will close, and who closes one that no one will open:
[Then] the Son of man came eating and drinking [at festive occasions] and they said, 'Look, He is a glutton and a drunkard and a friend of tax collectors and worldly people.' It proves that [God's] wise counsel is right by the way things turn out."