Athos warns of the severe repercussions of attempting to harm the Duke of Buckingham, emphasizing his unfamiliarity with him, citing his English heritage, and insisting that murder is off-limits. His paramount concern, however, is the safety of his friend D'Artagnan. Athos expresses a deep loyalty and affection for D'Artagnan, asserting that any threat to him would provoke his wrath.

Through this declaration, Athos demonstrates the importance of friendship and loyalty among the Musketeers. He firmly positions D'Artagnan's safety above all else, indicating that any wrongdoing against him would have dire consequences. This reflects the central themes of camaraderie and honor within the narrative.