So Jonathan arose from the table in fierce anger, and did eat no food the second day of the month: for he was grieved for David, because his father had caused him shame.
All Commentaries on 1 Samuel 20:34 Go To 1 Samuel 20
Ambrose of Milan
AD 397
For that commendable friendship which maintains virtue is to be preferred most certainly to wealth or honors or power. It is not apt to be preferred to virtue indeed, but to follow after it. So it was with Jonathan, who for his affection’s sake avoided neither his father’s displeasure nor the danger to his own safety.