Taha 20:44

فَقُولَا لَهُۥ قَوْلًا لَّيِّنًا لَّعَلَّهُۥ يَتَذَكَّرُ أَوْ يَخْشَىٰ

Faqūlā lahu qawlan layyinan laʿallahu yatadhakkaru aw yakhshā

And speak to him with gentle speech that perhaps he may be reminded or fear [Allāh]."