What does the Bible say about the concept of one God?

The Scriptures consistently proclaim the existence of one sovereign God. In Genesis 1:1, we read, 'In the beginning, God created the heaven and the earth.' This declaration emphasizes God's sole authority and creative power. Throughout the Bible, from the Old Testament's monotheistic assertions to the New Testament's affirmations of the deity of Christ, the unity of God's nature and existence is upheld. The proliferation of false gods stems from human rebellion against this truth, as seen when man fell into sin and subsequently created gods from his imagination, leading to many rulers and doctrines that distort the divine.