Al-Mukhtasar (English)
Al-A'raf · 7:21
وَقَاسَمَهُمَا إِنِّي لَكُمَا لَمِنَ النَّاصِحِينَ
(21) And he swore [by Allāh] to them, "Indeed, I am to you from among the sincere advisors."
21. Satan swore to the two of them saying: 'By Allah I am to you both, O Adam and Eve, a sincere advisor in what I direct you to.'