Theodore Epp addresses the internal conflict that leads to strife among believers, emphasizing that the war within each person manifests as external conflict. He references James 4:1-3 and Romans 7:23 to illustrate how personal struggles with sin can lead to destructive behavior, including character assassination through harmful speech. Epp warns against the bitterness that can arise even among Christians, urging believers to guard their hearts and seek the highest good of others, despite disagreements. He highlights the importance of self-examination and the need to control the tongue to prevent harm to others. Ultimately, Epp calls for a commitment to love and unity within the body of Christ.