Isa.11.3

And shall make him of quick understanding in the fear of the LORD: and he shall not judge after the sight of his eyes, neither reprove after the hearing of his ears:

Isa.11.3

Fear-of-GOD will be all his joy and delight. He won't judge by appearances, won't decide on the basis of hearsay.

Isa.11.3

and he will delight in the fear of the LORD. He will not judge by what he sees with his eyes, or decide by what he hears with his ears;

Isa.11.3

His delight is in the fear of the LORD, And He shall not judge by the sight of His eyes, Nor decide by the hearing of His ears;