“He has rescued us from the domain of darkness and transferred us into the kingdom of the Son He loves, in whom we have redemption, the forgiveness of sins.” Colossians 1:13–14 (HCSB)
It’s been my experience that whenever there is a change of leadership, people get nervous. It could be a new boss replacing another, bringing in a different set of procedures to replace the ones that are well-worn and familiar. 
It could be a change of leadership in the government. Will the new people in power change things for the better or for worse?
When Jesus pours His Spirit into our hearts, it represents a change of leadership. Before this Jesus-event, we’re in charge, making decisions independent of God; after this Jesus-event, God is in charge and we make decisions dependent upon Him. During this Jesus-event, we confess, “I can’t; God can.”
Paul describes this change in leadership as a transfer from the Devil’s domain of darkness into God’s “Kingdom of the Son He loves.” In one realm, the Devil is the despot; in the other, Jesus rules with love, redemption, and forgiveness. (Matthew 11:30)
When this transfer takes place, we face a choice: Will we submit to the God’s leadership or will we continue to make decisions based on how we did it when we were aligned with the renegade régime.