When you are greeted with a greeting, greet in return with what is better than it, or (at least) return it equally. Certainly, Allah is Ever a Careful Account Taker of all things.
너희가 인사를 받았을 때 그보다 겸손하게 인사하라 흑은 웅 답하라 실로 하나님은 모든 것을 세심히 헤아리시니라