“The grace of the Lord Jesus Christ, and the love of God, and the fellowship of the Holy Spirit, be with you all” (2 Corinthians 13:14).
Though there is only one God, He exists in three Persons: God the Father, God the Son, and God the Holy Spirit.
God is one, but He exists in three distinct Persons. We call this the Trinity, a contraction of “tri-unity,” meaning “three in one.” The word Trinity doesn’t appear in the Bible, but God’s existence as three Persons in one God is clear from Scripture.
Old Testament evidence of God’s plurality can be found in the very first verse: “In the beginning God . . .” (Gen. 1:1). The Hebrew word used for God is Elohim, which is a plural noun. Isaiah 42:1 speaks of the Messiah: “Behold, My Servant, whom I uphold; My chosen one in whom My soul delights. I have put My Spirit upon Him; He will bring forth justice to the nations.” The Messiah says in Isaiah 48:16, “The Lord God has sent Me, and His Spirit.”
Continue reading John MacArthur – Strength for Today – God Is Three