Fudayl on Tawhid: Only Allah can truly bring benefit, cause harm

Sari ibn al-Mughallis reported: Al-Fudayl ibn ‘Iyad, may Allah have mercy on him, said, “Whoever fears Allah, no one can harm him. Whoever fears another besides Allah, no one can benefit him.”

Source: Shu’ab al-Imān 936

عَنْ سَرِيّ بْن الْمُغَلِّسِ قال الْفُضَيْل بْن عِيَاض رحمه الله مَنْ خَافَ اللَّهَ لَمْ يَضُرَّهُ أَحَدٌ وَمَنْ خَافَ غَيْرَ اللَّهِ لَمْ يَنْفَعْهُ أَحَدٌ

936 شعب الإيمان للبيهقي