Surah Taa-Haa, Verse 44
فَقُولَا لَهُۥ قَوْلًۭا لَّيِّنًۭا لَّعَلَّهُۥ يَتَذَكَّرُ أَوْ يَخْشَىٰ
Translation — Sahih International
And speak to him with gentle speech that perhaps he may be reminded or fear [Allah]."
Source
Kur'an-ı Kerim, Tâhâ Suresi 20:44
https://kuran.diyanet.gov.tr/mushaf/kuran-meal-2/20-suresi-44-ayet