وإن تبدلت بنا غيرنا فحسبنا الله ونعم الوكيل
If you replace us with someone else, God is sufficient for us, and He is the best disposer of affairs.
The concluding formula ḥasbunā Allāhu wa niʿma al-wakīl occurs in Qur'an 3:173. Here it answers a charge of personal betrayal with trust in God and detachment from the addressee.
The success of the incorporation depends on more than recognizable sound. It provides a meaningful response suited to the new situation.