Samuel's recognition as a prophet across the entire nation of Israel, from Dan to Beersheba, underscores the widespread acceptance of his divine calling. This geographical reference suggests that his influence and reputation extended throughout the whole land, symbolizing a comprehensive acknowledgment of his role. Samuel's prophetic ministry was vital in a time when Israel was transitioning from the period of the judges to the establishment of the monarchy. His ability to hear from God and convey His messages was crucial for the spiritual and political guidance of the nation.
The phrase "attested as a prophet of the Lord" indicates that Samuel's prophetic office was confirmed by his consistent and accurate communication of God's will. This recognition was not just a personal achievement but a testament to God's active presence and communication with His people through Samuel. It also reflects the importance of having a trusted and divinely appointed leader who could guide the nation according to God's purposes. Samuel's role set a precedent for future prophets in Israel, emphasizing the significance of divine guidance and leadership in the life of the nation.