The phrase "what his eyes see" refers to seeing things that are not important for judging a person rightly. AT: "he will not judge a person simply by seeing what the person looks like" (See: [[rc://en/ta/man/translate/figs-explicit]])
# nor decide by what his ears hear
"and he will not decide by what his ears hear." The phrase "what his ears hear" refers to hearing what people say about someone. AT: "and he will not judge a person simply by hearing what others say about him" (See: [[rc://en/ta/man/translate/figs-explicit]])