Al-Insan 76:7
يُوفُونَ بِٱلنَّذْرِ وَيَخَافُونَ يَوْمًا كَانَ شَرُّهُۥ مُسْتَطِيرًا
Yoofoona binnathri wayakhafoonayawman kana sharruhu mustateera
They [are those who] fulfill [their] vows and fear a Day whose evil will be widespread.
They (are the ones who) fulfill their vows, and fear a day whose evil (events) will spread far and wide,