1 John 5:6

5:6 Jesus Christ is the one who came by water and blood – not by the water only, but by the water and the blood. And the Spirit is the one who testifies, because the Spirit is the truth.

Matthew 26:26-28

The Lord’s Supper

26:26 While they were eating, Jesus took bread, and after giving thanks he broke it, gave it to his disciples, and said, “Take, eat, this is my body.” 26:27 And after taking the cup and giving thanks, he gave it to them, saying, “Drink from it, all of you, 26:28 for this is my blood, the blood of the covenant, that is poured out for many for the forgiveness of sins.

Matthew 28:19

28:19 Therefore go and make disciples of all nations, baptizing them in the name of the Father and the Son and the Holy Spirit,

John 15:26

15:26 When the Advocate comes, whom I will send you from the Father – the Spirit of truth who goes out from the Father – he will testify about me,

Romans 8:16

8:16 The Spirit himself bears witness to our spirit that we are God’s children.

Hebrews 6:4

6:4 For it is impossible in the case of those who have once been enlightened, tasted the heavenly gift, become partakers of the Holy Spirit,