Surah 6:35
"But if their aversion is hard on you, (even) if you were able to seek out an opening in the earth, or a ladder into the sky, to bring them a sign [. . .]. If God had (so) pleased, He would indeed have gathered them to the guidance. Do not be one of the ignorant."
God's Mercy vs. Leading Astray
Supporting Verses
Surah 14:4 → "We have not sent any messenger except in the language of his people, so that he might make (things) clear to them. Then God leads astray whomever He pleases and guides whomever He pleases. He is the Mighty, the Wise."
Opposing Verses
Surah 6:12 → "Say: ‘To whom (belongs) whatever is in the heavens and the earth?’ Say: ‘To God. He has prescribed mercy for Himself. He will indeed gather you to the Day of Resurrection – (there is) no doubt about it. Those who have lost their (own) selves, they do not believe."
Has God bound Himself to mercy, or does He intentionally lead people astray? Some verses state that God has prescribed mercy for Himself, while others state that He intentionally leads whomever He pleases astray.