Ruth returns home from the fields carrying an astonishing bounty. Her mother-in-law, Naomi, immediately notices two extraordinary things: an enormous quantity of grain and a portion of prepared food. Driven by amazement, Naomi asks two distinct questions. First, she wonders where Ruth managed to gather such a massive volume of grain in a single day [מלבי״ם, אלשיך, אשכול הכופר]. Second, she asks where Ruth worked to acquire the prepared food [ביאור שטיינזלץ]. Knowing that landowners do not typically hand out meals to poor gleaners, Naomi assumes Ruth must have performed some special task for a specific person to earn this meal [מלבי״ם]. Alternatively, these questions reflect Naomi's attempt to uncover the source of this sudden abundance. She wonders whether the bounty stems from the sheer generosity of a landowner, or if Ruth's own diligence and righteousness drew a divine blessing upon her efforts [אגרת שמואל, אשכול הכופר].
Realizing that someone has shown Ruth immense kindness and extraordinary generosity, Naomi offers a blessing to the man who took notice of her [רש״י, רלב״ג, ביאור שטיינזלץ]. Another perspective suggests that Naomi, recognizing Ruth's incredible work ethic, is actually blessing the future husband who will eventually notice her and marry her, knowing he will certainly be blessed through her [אגרת שמואל]. Even if the abundance was a direct result of Ruth's own merit, Naomi still blesses the field owner simply for providing the space where that blessing could take root [אשכול הכופר].
Ruth responds by carefully and wisely detailing the entire sequence of events [חומת אנך, נחל אשכול]. She shares the full story to assure her mother-in-law that the landowner acted with completely pure intentions for the sake of heaven, showing her kindness specifically because of her conversion and her dedication to Naomi [מלבי״ם, אלשיך]. Demonstrating profound humility, Ruth refuses to take any credit for the impressive harvest, attributing her success entirely to the man's good heart [אגרת שמואל, אשכול הכופר].
In describing their interaction, Ruth frames the events to emphasize what she accomplished with the landowner, rather than simply stating what he did for her. The primary approach among commentators is that this highlights a deep spiritual truth: the poor person does more for the wealthy host than the host does for the poor person. While the wealthy individual provides temporary physical sustenance, the poor person grants the giver eternal merit, reward in the World to Come, and an opening for God's blessing in this world. Ruth conveys that they were equal partners in fulfilling the commandment of charity.
Finally, Ruth reveals the man's identity as Boaz. Sharing his name is not merely a passing detail; it establishes his esteemed position as a judge in Israel whose actions are deliberate and honorable [מלבי״ם]. Furthermore, his name reflects his inner character as a righteous man possessing a strong fear of God. By identifying him, Ruth completely reassures Naomi, dispelling any fears that the landowner's kindness was driven by improper motives. She proves instead that the day's blessings came from a charitable man with completely pure intentions [נחל אשכול, אשכול הכופר].