“To live is Christ” means being filled with the knowledge of God’s will (Christ-likeness) and being instinctively controlled by the wisdom and understanding of God (Christ himself). That’s faith. That’s our union with Christ.

Learning to live by the indwelling life of Christ.
“To live is Christ” means being filled with the knowledge of God’s will (Christ-likeness) and being instinctively controlled by the wisdom and understanding of God (Christ himself). That’s faith. That’s our union with Christ.
In Christ you already have all of these things. Now will you be wise and let them out? Will you be wise and “to live is Christ?”