,8 Late manuscripts of the Vulgate "testify in heaven: the Father, the Word and the Holy Spirit, and these three are one. 8 And there are three that testify on earth: the" (not found in any Greek manuscript before the fourteenth century)
We accept man's testimony,15 but God's testimony is greater because it is the testimony of God,16 which he has given about his Son.
Anyone who believes in the Son of God has this testimony in his heart.17 Anyone who does not believe God has made him out to be a liar,18 because he has not believed the testimony God has given about his Son.
If anyone sees his brother commit a sin that does not lead to death, he should pray and God will give him life.28 I refer to those whose sin does not lead to death. There is a sin that leads to death.29 I am not saying that he should pray about that.30
We know also that the Son of God has come38 and has given us understanding,39 so that we may know him who is true.40 And we are in him who is true--even in his Son Jesus Christ. He is the true God and eternal life.41