Al-Furqan 25:63

وَعِبَادُ ٱلرَّحْمَـٰنِ ٱلَّذِينَ يَمْشُونَ عَلَى ٱلْأَرْضِ هَوْنًا وَإِذَا خَاطَبَهُمُ ٱلْجَـٰهِلُونَ قَالُوا۟ سَلَـٰمًا

Waʿibādu l-raḥmāni alladhīna yamshūna ʿalā l-arḍi hawnan wa-idhā khāṭabahumu l-jāhilūna qālū salāman

And the servants of the Most Merciful are those who walk upon the earth easily, and when the ignorant address them [harshly], they say [words of] peace,