KJV: For this cause also thank we God without ceasing, because, when ye received the word of God which ye heard of us, ye received it not as the word of men, but as it is in truth, the word of God, which effectually worketh also in you that believe.
NASB: For this reason we also constantly thank God that when you received the word of God which you heard from us, you accepted it not as the word of men, but for what it really is, the word of God, which also performs its work in you who believe.
KJV: When he shall come to be glorified in his saints, and to be admired in all them that believe (because our testimony among you was believed) in that day.
NASB: when He comes to be glorified in His saints on that day, and to be marveled at among all who have believed-- for our testimony to you was believed.