The phrase "what his eyes see" refers to seeing things that are not important for judging a person rightly. Alternate translation: "he will not judge a person simply by seeing what the person looks like" (See: [[rc://en/ta/man/translate/figs-explicit]])
"and he will not decide by what his ears hear." The phrase "what his ears hear" refers to hearing what people say about someone. Alternate translation: "and he will not judge a person simply by hearing what others say about him" (See: [[rc://en/ta/man/translate/figs-explicit]])