Quran 20:44 from Surah Taa-Haa on Divine Marvels.
فَقُولَا لَهُۥ قَوۡلٗا لَّيِّنٗا لَّعَلَّهُۥ يَتَذَكَّرُ أَوۡ يَخۡشَىٰ
English translation: And speak to him a word gentle perhaps he may take heed or fear
Transliteration: faqula lahu qawlan layyinan la'allahu yatadhakkaru aw yakhsha