The LORD do so and much more to Jonathan: but if it pleases my father to do you evil, then I will show it to you, and send you away, that you may go in peace: and the LORD be with you, as he has been with my father.
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Ambrose of Milan
AD 397
But good will also goes together with generosity, for generosity really starts from it, seeing that the habit of giving comes after the desire to give. But generosity may be distinguished from good will. For where generosity is lacking, there good may abide—the parent, as it were, of all in common, uniting and binding friendships together. It is faithful in counsel, joyful in times of prosperity, and in times of sorrow sad. So it happens that any one trusts himself to the counsels of a man of good will rather than to those of a wise one, as David did. For he, though he was the more farseeing, agreed to the counsels of Jonathan, who was the younger. - "Duties of the Clergy 1.32.167"
Father, at the beginning of his reign. Jonathan foresees that David will be his father's successor. (Calmet)
Hence he commends himself and family to his protection. (Menochius)
