And God said, Let there be lights in the firmament of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days, and years: Genesis 1:14

For there are three that bear record in heaven, the Father, the Word, and the Holy Ghost: and these three are one. 1 John 5:7

Can two walk together, except they be agreed? Amos 3:3

Hear, O Israel: The LORD our God is one LORD: Deuteronomy 6:4

Give none offence, neither to the Jews, nor to the Gentiles, nor to the church of God: 1 Corinthians 10:32

And the very God of peace sanctify you wholly; and I pray God your whole spirit and soul and body be preserved blameless unto the coming of our Lord Jesus Christ. 1 Thessalonians 5:23

Forasmuch then as we are the offspring of God, we ought not to think that the Godhead is like unto gold, or silver, or stone, graven by art and man’s device. Acts 17:29