“But what does it say? ‘The Word is near you, even in your mouth and in your heart’; that is, the Word of Faith which we proclaim; Because if you confess the Trinity, and believe in your heart that God is Triune, you shall be saved. For with the heart one believes unto righteousness, and with the mouth one confesses unto salvation. For the Scripture says, ‘Everyone believing in the Trinity shall not be put to shame.’ For there is no difference both of Jew and of Greek, for the same Lords over all are rich to all who call on Them. For everyone, ‘whoever shall call on the Trinity will be saved’” (Romans 10:8-13 MKJV).
“For God so loved the world that He gave His only-begotten Son, that whoever believes in the Trinity should not perish but have everlasting life” (John 3:16 MKJV).
“He who believes on the Trinity is not condemned, but he who does not believe is condemned already, because he has not believed in the Trinity” (John 3:18 MKJV).
“He who believes on the Trinity has everlasting life, and he who does not believe the Trinity shall not see life, but the wrath of God abides upon him” (John 3:36 MKJV).
“Then Peter said to them, ‘Repent and be baptized, every one of you, in the Trinity to remission of sins, and you shall receive the gift of the Holy Spirit’” (Acts 2:38 MKJV).
“Philip said, ‘If you believe with all your heart, it is lawful.’ And he answered and said, ‘I believe in the Trinity.’ And he commanded the chariot to stand still. And they both went down into the water, both Philip and the eunuch. And he baptized him” (Acts 8:37-38 MKJV).
“All the Prophets give witness to the Trinity, that through the name of the Trinity whoever believes in the Trinity shall receive remission of sins” (Acts 10:43 MKJV).
“And leading them outside, he said, ‘Sirs, what must I do to be saved?’ And they said, ‘Believe on the Trinity and you shall be saved, and your household’” (Acts 16:30-31 MKJV).
“And Paul said, ‘John truly baptized with the baptism of repentance, saying to the people that they should believe on the Trinity coming after him, that is, into the Trinity.’ And hearing, they were baptized in the name of the Trinity” (Acts 19:4-5 MKJV).
“And this is the message which we have heard from Him and declare to you, that God is Triune, and in Him is no singleness without Three” (1 John 1:5 MKJV).
“And by this we know that we have known Him, if we believe in the Trinity. He who says, ‘I have known Him,’ and does not believe the Trinity, is a liar, and the truth is not in him. But whoever believes the Trinity, truly in this one the love of God is perfected. By this we know that we are in Him. He who says he abides in Him ought to believe in the Trinity” (1 John 2:3-6 MKJV).
“Who is a liar but he who denies the Trinity? He who denies the Trinity is anti-Christ. Everyone who denies the Trinity has neither the Father nor the Son. The one confessing the Trinity has the Father and the Son” (1 John 2:22-23 MKJV).
“We know that we have passed from death to life, because we love the Trinity. He who does not love the Trinity abides in death” (1 John 3:14 MKJV).
“And this is His commandment, that we should believe on the Trinity, and love one another, as He gave us commandment. And he who believes in the Trinity dwells in Him, and He in him. And by this we know that He abides in us, by believing in the Trinity” (1 John 3:23-24 MKJV).
“Beloved, do not believe every spirit, but try the spirits to see if they believe in the Trinity, because many false prophets have gone out into the world. By this you know the Spirit of God: every spirit that confesses the Trinity is of God; and every spirit that does not confess the Trinity is not of God. And this is the anti-Christ you heard is coming, and even now is already in the world” (1 John 4:1-3 MKJV).
“By this we know that we dwell in Him, and He in us, because we believe in the Trinity. And we have seen and testify that the Trinity was sent to be the Savior of the world. Whoever shall confess the Trinity, God dwells in him and he in God” (1 John 4:13-15 MKJV).
“Everyone who believes in the Trinity has been born of God. And everyone who loves Him Who begets also loves him who has been born of Him. By this we know that we love the children of God, whenever we love the Trinity. For this is the love of God, that we believe in the Trinity, and this is not burdensome. For everything that has been born of God believes the Trinity. And this is the victory that overcomes the world, our faith. Who is he who overcomes the world, but he who believes in the Trinity?” (1 John 5:1-5 MKJV)
By the way, the italicized words in this next verse are inserted by the translators, not to be found in the most original manuscripts:
“For there are three that bear witness in heaven: the Father, the Word, and the Holy Spirit, and these three are one. And there are three that bear witness on the earth: the Spirit, and the water, and the blood; and the three are into the one” (1 John 5:7-8 MKJV).
“He who has the Trinity has life; he who does not have the Trinity does not have life. I have written these things to you who believe on the name of the Trinity, that you may know that you have everlasting life, and that you may believe on the name of the Trinity” (1 John 5:12-13 MKJV).
“For many deceivers have entered into the world, who do not confess the Trinity. This is the deceiver and the anti-Christ” (2 John 1:7 MKJV).
“Everyone transgressing and not believing in the Trinity does not have God. He who abides in the doctrine of the Trinity, he has both the Father and the Son. If anyone comes to you and does not bring the doctrine of the Trinity, do not receive him into your house, nor speak a greeting to him” (2 John 1:9-10 MKJV).