1 John chapter 5:7 through chapter
5:8...
https://www.kingjamesbibleonline.org/1-John-5-7/
7 For there are three that bear record in heaven, the Father,
the
Word, and the Holy Ghost: and these three are one.
8 And there are three
that bear witness in earth, the Spirit,
and the water, and the
blood: and these three agree in one.