27 But the day after the New Moon, day two of the holiday, David's seat was still empty. Saul asked Jonathan his son, "So where's that son of Jesse? He hasn't eaten with us either yesterday or today."

Matthew Henry's Commentary on 1 Samuel 20:27

Commentary on 1 Samuel 20:24-34

(Read 1 Samuel 20:24-34)

None were more constant than David in attending holy duties; nor had he been absent, but self-preservation obliged him to withdraw. In great peril present opportunities for Divine ordinances may be waved. But it is bad for us, except in case of necessity, to omit any opportunity of statedly attending on them. Jonathan did wisely and well for himself and family, to secure an interest in David, yet for this he is blamed. It is good to take God's people for our people. It will prove to our advantage at last, however it may now be thought against our interest. Saul was outrageous. What savage beasts, and worse, does anger make men!