When they arrived, Samuel saw Eliab and said, “Surely here before the LORD is His anointed.”
Samuel's eye was caught by Eliab's countenance and he rushed to judgment, much as he had done with Saul; but God whispered a correction: look not on the outside. Men judge by what shows, God by what is; the heart is the measure He uses, and therein lies true beauty and fitness for His service.
AI summary
Commenting on 1 Samuel 16:6-13
And it came to pass, when they were come, that he looked on Eliab, and said, Surely the LORD'S anointed [is] before him. (d) Thinking that Eliab had been appointed by God to be made king.
Samuel said, Surely the Lord's anointed is before him--Here Samuel, in consequence of taking his impressions from the external appearance, falls into the same error as formerly (Sa1 10:24).