George Haydock's Catholic Bible Commentary - 1 Samuel 15:11
Repenteth. God cannot change: but he often acts exteriorly as one who repents. He alters his conduct when men prove rebellious. (St. Justin Martyr, p. 22.) --- Grieved. Hebrew, "indignant." (Calmet) --- He was sorry to think that Saul would now lose his temporal, and perhaps his eternal crown. (Salien) --- "The choice of Judas and of Saul, do not prove that God is ignorant of future events, but rather that he is a Judge of the present." (St. Jerome in Ezechiel ii.) read more
Hawker's Poor Man's Commentary - 1 Samuel 15:10-11
(10) ¶ Then came the word of the LORD unto Samuel, saying, (11) It repenteth me that I have set up Saul to be king: for he is turned back from following me, and hath not performed my commandments. And it grieved Samuel; and he cried unto the LORD all night. Let not the Reader imagine, that from these expressions, there is any change in the mind of God, as if that God was liable to alter. The repentance here spoken of, is in accommodation to our language, speaking after the manner of men, and... read more