(As to those) before them, not one of the populations which We destroyed believed: will these believe?
‘If such miracles as you read of failed to
convince Unbelievers of old, what chance is there that
these Unbelievers will believe?
Miracles may come, but they are no cures for Unbelief.
Yusuf Ali, Abdullah. Translation and Commentary of the Quran. (surah 21 verse 6). Quran Arabic with English Translation & Commentary (Tafsir) by Abdullah Yusuf Ali, Free Download (quran4u.com)