The Holy Quran 20:115 — Surah Taha

Arabic text

وَلَقَدْ عَهِدْنَآ إِلَىٰٓ ءَادَمَ مِن قَبْلُ فَنَسِىَ وَلَمْ نَجِدْ لَهُۥ عَزْمًا

Translation

We Certainly commanded Aadam عليه الصلاة والسلام (not to eat from a particular tree) before, but he forgot and We did not find him to be determined (to remember what We had told him).

Tafsir (excerpt) — Tafsir Usmani

The forgetfulness of Adam ﵇: that is the very matter of his eating the grain. “He forgot”, that is, he did not remain firm. Next comes a somewhat more detailed account of this story.

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