إِنَّكَ إِن تَذَرْهُمْ يُضِلُّوا۟ عِبَادَكَ وَلَا يَلِدُوٓا۟ إِلَّا فَاجِرًۭا كَفَّارًۭا
How to read it
'Innaka 'in tadhar'hum' yuḍillū ʻibādaka walā yalidū 'illā fājiran kaffāran
"For, if Thou dost leave (any of) them, they will but mislead Thy devotees, and they will breed none but wicked ungrateful ones.
Translation: Abdullah Yusuf Ali

