It is very true that we do not see like God sees. Why do we say this? Because the human being sees at the physical and the preparation of others on a secular level, but the Lord sees in the depths of the heart and chooses people who according to men are not apt to occupy a certain position.
God calls the prophet Samuel and asks him how long he will cry King Saul. Then He tells the prophet to fill his horn and go to Jesse of Bethlehem, because one of the sons of that man was to be anointed as king: