The Holy Quran 94:3 — Surah Al-Inshirah

Arabic text

ٱلَّذِىٓ أَنقَضَ ظَهْرَكَ

Translation

...that was breaking your back? (Because of his extraordinary piety, Rasulullaah ﷺ regarded the human mistakes that he sometimes made as serious violations. This was naturally very burdensome for him and referred to here as "the burden". By declaring blanket forgiveness for every past and future concern of Rasulullaah ﷺ, Allaah relieved him of this burden of his conscience.)

Tafsir (excerpt) — Tafsir Usmani

The burden of the Prophet ﷺ was removed: the coming down of revelation was very hard at first, then it became easy. Or, sensing the responsibilities of the office of messenger, he ﷺ probably felt a heaviness upon his noble heart, and it was removed. Or by “wizr” (burden)

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