1 Samuel 16:2-7

But Samuel said, “How can I go? If Saul hears about it, he will kill me.” The LORD said, “Take a heifer with you and say, ‘I have come to sacrifice to the LORD.’ Invite Jesse to the sacrifice, and I will show you what to do. You are to anoint for me the one I indicate.” Samuel did what the LORD said. When he arrived at Bethlehem, the elders of the town trembled when they met him. They asked, “Do you come in peace?” Samuel replied, “Yes, in peace; I have come to sacrifice to the LORD. Consecrate yourselves and come to the sacrifice with me.” Then he consecrated Jesse and his sons and invited them to the sacrifice. When they arrived, Samuel saw Eliab and thought, “Surely the LORD’s anointed stands here before the LORD.” But the LORD said to Samuel, “Do not consider his appearance or his height, for I have rejected him. The LORD does not look at the things people look at. People look at the outward appearance, but the LORD looks at the heart.”