Samuel said to Saul, Yahweh sent me to anoint you to be king over his people, over Israel: now therefore listen you to the voice of the words of Yahweh.
Willis' remarkably discerning understanding of this chapter is evident in his statement that, "Both of the accounts in  1 Samuel 15:13 and here record two different historical events."[3]  Furthermore, as also noted by Willis, "God did not reject Saul for a single isolated act of disobedience, but because Saul repeatedly disobeyed him and took matters into his own hands."[4]