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

John 1:1-4
1 In the beginning was the Word, and the Word was with God, and the Word was God.
2 He was with God in the beginning.
3 Through him all things were made; without him nothing was made that has been made.
4 In him was life, and that life was the light of men.

1 John 5:7
7 For there are three that testify: