Through the Spirit indwelling us, we have the mind of Christ with which we can direct our desires to the good and perfect. The means of grace such as church attendance, singing, and other worship then course correct our lives. 

Christians are supposed to be new creations whose lives exhibit the power of God (2 Pet 1:3ff). As new creations, we walk and live by the Spirit. Even knowing this, many of us struggle to understand what it looks like to change by the Spirit. We attend regular churches full of regular people who don’t appear very much like Spirit-indwelled new creations. What are we missing?

The answer to these questions involves understanding how we change, what the power of God means, and why sin still exists even among Christians. 

How We Change: Distinguishing Causes

We all assume that the Spirit works a miracle in us that we cannot explain and so don’t look to do so. Yet we also affirm that the Spirit works through ordinary means like baptism, the Lord’s Supper, preaching, prayer, devotions, and so on. If these ordinary means do in fact change us, then why should not associate the Spirit working through these very things to change us? 

These ordinary means transform us through the ultimate agency of the Spirit who uses these means. The Spirit indwells us and teaches how to live well by such practices. 

In order to do so, he changes our mind in the most literal sense (Rom 12:2). The Spirit transforms the mind or vous, which functions as the highest order of our soul. Our minds guide and direct our soul and body. Hence, the Spirit via the mind renews us from the inside out. 

In particular, the Spirit grants us access to the mind of Christ: “But we have the mind (vous) of Christ” (1 Cor 2:16). Through the mind, the Spirit teaches us to desire what is good, acceptable, and perfect. It teaches us to delight in the law of God with our mind (Rom 7:25). 

In Paul’s anthropology, the transformed mind guides us towards love and good deeds. In this sense, our sanctification by definition returns to its natural mode of existence. We cease to live with corrupt minds and begin to live with renewed minds. We of all people learn once again how to live naturally.

Small wonder then that we struggle to discern the supernatural or direct act of the Spirit in our lives. In fact, he works by the renewal of our minds so that we can delight in the law of God. The Spirit of God causes this transformation through the secondary cause of our mind. By distinguishing these causes, we come to realize that our new mind in fact constitutes in large measure the transformative power of the Spirit in us.

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