If we emphasize the unity of God, we picture in our mind, a lonely, mysterious God who, we think, may have created man and woman because he was lonely. Much as a widower might purchase a dog to overcome loneliness, God made man and woman to have a relationship with.
The truth could not be further from this thought. Our God who is one in essence, is nevertheless three in persons. Before time began, God dwelt in perfect community, Father, Son and Holy Spirit.
Tim Keller states it this way: “So we believe that the world was made not by a God who is an individual nor by an emanation of an impersonal force. But by a God who is a community of persons who have loved […]