4. A number of our people have narrated from Sahl ibn Ziyad from Ahmad ibn Muhammad from ibn abu Nasr from Dawud ibn Sarhan who has said the following
“I heard Abu ‘Abdillah (a.s.) saying, ‘A believer is not without four things or at least one of them at a time: he suffers from the envy of a believer and it is the most difficult one, stalking of a hypocrite, the struggle of an enemy against him or the temptation of Satan.’”