Tafsir of Al Imran 3:63

فٳن تولوا

And if they turn away, by abandoning this truth,

فٳن الله عليم بالمفسدين

then surely, Allah is All-Aware of those who do mischief. for those who abandon the truth for falsehood commit mischief, and Allah has full knowledge of them and will subject them to the worst punishment. Verily, Allah is able to control everything, all praise and thanks are due to Him, and we seek refuge with Him from His revenge