Mishkat al-Masabih 30 Fine Qualities كتاب المناقب 256

وَعَنْهُ قَالَ: مَا أَحَدٌ مِنَ النَّاسِ تُدْرِكُهُ الْفِتْنَةُ إِلَّا أَنَا أَخَافُهَا عَلَيْهِ إِلَّا مُحَمَّدُ بْنُ مِسْلَمَةَ فَإِنِّي سَمِعْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ يَقُولُ: «لَا تَضُرُّكَ الْفِتْنَةُ» . رَوَاهُ أَبُو دَاوُد

He said: There is no one who will be overtaken by trial regarding whom I do not fear it except Muhammad b. Maslama, for I heard God’s messenger say, “Trial will not harm you.” … transmitted it. The name of the collection of traditions is omitted. The tradition is in Abu Dawud, sunna , 12.