The ignorant person is not excused from the basics of the Creed, and he is not excused if he falls into blasphemy because of his lack of care about the Religion. Had ignorance excused one from punishment, then ignorance would have been better than knowledge, and this is against the Saying of Allah the Exalted: ﴿قُلْ هَلْ يَسْتَوِي الَّذِينَ يَعْلَمُونَ…