O believers! When you struggle in the cause of Allah, be sure of who you fight. And do not say to those who offer you ˹greetings of˺ peace, “You are no believer!”—seeking a fleeting worldly gain.1 Instead, Allah has infinite bounties ˹in store˺. You were initially like them then Allah blessed you ˹with Islam˺. So be sure! Indeed, Allah is All-Aware of what you do.
— Dr. Mustafa Khattab, the Clear Quran
O you who have believed, when you go forth [to fight] in the cause of Allah, investigate; and do not say to one who gives you [a greeting of] peace, "You are not a believer,"1 aspiring for the goods of worldly life; for with Allah are many acquisitions. You [yourselves] were like that before; then Allah conferred His favor [i.e., guidance] upon you, so investigate. Indeed Allah is ever, of what you do, Aware.
— Saheeh International