Verse 79

مَّآ أَصَابَكَ مِنْ حَسَنَةٍ فَمِنَ ٱللَّهِ وَمَآ أَصَابَكَ مِن سَيِّئَةٍ فَمِن نَّفْسِكَ وَأَرْسَلْنَـٰكَ لِلنَّاسِ رَسُولًا وَكَفَىٰ بِٱللَّهِ شَهِيدًا

Whatever good happens to you is from God, and whatever bad happens to you is because of yourself. Moreover, We have sent you as a messenger to the people. And God suffices as a witness.