1. The document discusses abandoning gentile ways such as futile thinking, darkened understanding, separation from God, and indulgence of senses, and instead taking up the way of Christ through having a renewed mind, speaking truth, dealing with anger appropriately, being useful to others, and talking to build others up.
2. It encourages imitating Christ through unconditional love, avoiding sinfulness and compromise, and considering how actions could be misinterpreted.
3. Key aspects of living wisely are understanding God's will through obedience, being filled with the Holy Spirit continuously, and submitting to others as to the Lord through sacrificial love and service.
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