An-Naazi'aat • EN-TAFSIR-IBN-ABBAS
﴿ قُلُوبٌۭ يَوْمَئِذٍۢ وَاجِفَةٌ ﴾
“On that Day will [men's] hearts be throbbing,”
(On that day) which is the Day of Judgement (hearts beat painfully) the hearts are fearful