Al Furqan, 63 Ayah
25:63
وَعِبَادُ ٱلرَّحۡمَٰنِ ٱلَّذِينَ يَمۡشُونَ عَلَى ٱلۡأَرۡضِ هَوۡنٗا وَإِذَا خَاطَبَهُمُ ٱلۡجَٰهِلُونَ قَالُواْ سَلَٰمٗا ٦٣
Wa `Ibādu Ar-Raĥmāni Al-Ladhīna Yamshūna `Alá Al-'Arđi Hawnāan Wa 'Idhā Khāţabahumu Al-Jāhilūna Qālū Salāmāan
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,