وَعِبادُ الرَّحمـٰنِ الَّذينَ يَمشونَ عَلَى الأَرضِ هَونًا وَإِذا خاطَبَهُمُ الجاهِلونَ قالوا سَلامًا

The servants of the Most Gracious are those who walk gently upon the earth, and when the ignorant address them, they respond with words of peace.