Only fear the LORD and serve him faithfully with all your heart. For consider what great things he has done for you.
Two things Samuel here aims at: - I. To convince the people of their sin in desiring a king. They were now rejoicing before God in and with their king (Sa1 11:15), and offering to God the sacrifices of praise, which they hoped God would accept; and this perhaps made them think that there was no harm in their asking a king, but really they had done well in it.
Commenting on 1 Samuel 12:16-25
Only fear the Lord, and serve him in truth with all your heart,.... Fear him not with a servile fear, which is before dehorted from, but with a filial fear, a reverential affection for God; and includes the whole of religious worship, internal and external; explained further by serving him according to the truth of his word, and in a cordial, sincere, and affectionate manner...
Only fear the LORD, and serve him in truth with all your heart: for consider how great [things] he hath done for you. (o) Unfeignedly, and without hypocrisy.