Mishkat al-Masabih
Ibn ‘Umar reported God’s messenger as saying, “Everything is decreed, even backwardness and shrewdness.” Muslim transmitted it.
وَعَنِ ابْنِ عُمَرَ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «كُلُّ شَيْءٍ بِقَدَرٍ حَتَّى الْعَجز والكيس» . رَوَاهُ مُسلم
Grade: Sahīh (Zubair `Aliza'i)
صَحِيح
Reference