"That is the bounty of Allah, which He gives to whom He wills." Meaning: whoever is granted Islam from among all of humanity.
Tafsir of Surat al-Jumu'ah, verse 5.
﴿ذَلِكَ فَضْلُ اللَّهِ يُؤْتِيهِ مَنْ يَشَاء﴾ يَعْنِي: من رُزِق الْإِسْلَام من النَّاس كلهم.
تَفْسِير سُورَة الْجُمُعَة آيَة ٥.