The document expresses a commitment to always being faithful to Christ. It states that the readers will always be faithful to Christ through his grace and will fight for him under his banner. It emphasizes that the readers should be brothers who are always faithful to Christ, who suffered and died on the cross to free them. It acknowledges that without Christ guarding them, they are weak and cannot follow him to death. It concludes by declaring that the motto of those freed by Christ is to always be faithful, even unto death, and take up their cross.