Al-Muddaththir • EN-TAFSIR-IBN-ABBAS
﴿ كَلَّآ إِنَّهُۥ تَذْكِرَةٌۭ ﴾
“Nay, verily, this is an admonition –”
(Nay, verily) O Muhammad. (Lo! this is an Admonishment) whoever wishes to take admonition from the Qur'an, will be admonished.