<u><em>"You don't ask a blind man's opinion of beautiful designs."</em></u>
Explanation:
The provided statement presents an example of <u>ethics</u>, which refers to the <u>behavior and principles</u> one must have in particular situations that require the appropriate <u>conduct</u> of an individual as a sign of respect.
<u>Ethics</u> is also a branch of philosophy that focuses on the differences between what is right and wrong.