62:4
ذَٰلِكَ فَضْلُ ٱللَّهِ يُؤْتِيهِ مَن يَشَآءُ ۚ وَٱللَّهُ ذُو ٱلْفَضْلِ ٱلْعَظِيمِ ٤
Saheeh International
That is the bounty of Allah, which He gives to whom He wills, and Allah is the possessor of great bounty.
Tafsir of "Ibn Kathir" (English)
That is the grace of Allah, which He bestows on whom He wills. And Allah is the Owner of mighty grace.refers to the great Prophethood that He granted Muhammad and the qualities that He favored his Ummah with, by sending Muhammad to them