What does the Bible say about God being our only God?

The scripture emphasizes the uniqueness of God, stating in 1 Chronicles 16:14 that 'Jehovah is our God.' This declaration underscores the essence of monotheism in the Bible, distinguishing Him as the creator of all things, unlike the many false gods worshipped by different cultures, which are merely idols incapable of action or voice. Furthermore, the passage teaches that the joy of believers comes from recognizing that they have a relationship with the living God, which brings fulfillment and delight, as expressed in Psalms where it states, 'In your presence is fullness of joy' (Psalm 16:11).