20:115
وَلَقَدْ عَهِدْنَآ إِلَىٰٓ ءَادَمَ مِن قَبْلُ فَنَسِىَ وَلَمْ نَجِدْ لَهُۥ عَزْمًا
walaqad ʿahid'nā ilā ādama min qablu fanasiya walam najid lahu ʿazman
We also commanded Adam before you, but he forgot and We found him lacking in constancy.
And indeed We made a covenant with Adam before, but he forgot, and We found on his part no firm will-power.