The Holy Quran 30:43 — Surah Ar-Rum

Arabic text

فَأَقِمْ وَجْهَكَ لِلدِّينِ ٱلْقَيِّمِ مِن قَبْلِ أَن يَأْتِىَ يَوْمٌ لَّا مَرَدَّ لَهُۥ مِنَ ٱللَّهِ ۖ يَوْمَئِذٍ يَصَّدَّعُونَ

Translation

So focus your attention on the upright Deen (Islaam) before a day (the Day of Qiyaamah) comes when there will be no defence against (the punishment of) Allaah. On that day people will be (distinctly) separated (into two groups; one heading for Jannah and the other for Jahannam).

Tafsir (excerpt) — Tafsir Usmani

The cure for the corruption of the world: that is, since corruption has spread in the world, remain firmly and exactly upon the upright religion, which is the religion of fitrah (innate nature). This alone is the cure for all ills. that is, the coming of this day from Allah is irrevocable: no power can turn it back, nor will Allah Himself postpone it.

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