مَن خَرَجَ مِن عَينَيهِ مِثلُ الذُّبابِ مِن الدَّمْعِ مِن خَشيَةِ اللَّهِ آمَنَهُ اللَّهُ بهِ يَومَ الفَزَعِ الأكبَرِ.

Whoever sheds a tear as small as the size of a fly out of fear of Allah, Allah will grant him safety on the Day of the Great Terror.

Bihar al-Anwar, v. 93 p.366, no. 30