The prayer is not invalidated by impurity in the case of ignorance or forgetfulness
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A man prayed while there was impurity on his garment, and he did not know about it until after the prayer was finished. What is the ruling on his prayer?
His prayer is valid. Likewise, if he knew about it before the prayer but forgot to wash it and prayed in that garment while forgetting, his prayer is valid.because of the saying of Allah the Exalted: [al-Baqarah:286] So Allah said: I have done it.
And because the Prophet (peace and blessings be upon him) (was approached by Jibril while he was leading the people in prayer, and he was wearing two leather socks in which there was filth, so he informed him that there was filth in them, and he took them off and continued his prayer).
If the prayer were invalidated by impurity in the case of ignorance, the Prophet (peace and blessings be upon him) would have started his prayer over from the beginning.
His prayer is valid. Likewise, if he knew about it before the prayer but forgot to wash it and prayed in that garment while forgetting, his prayer is valid.because of the saying of Allah the Exalted:
Our Lord, do not impose blame upon us if we have forgotten or erred.
رَبَّنَا لا تُؤَاخِذْنَا إِنْ نَسِينَا أَوْ أَخْطَأْنَاAnd because the Prophet (peace and blessings be upon him) (was approached by Jibril while he was leading the people in prayer, and he was wearing two leather socks in which there was filth, so he informed him that there was filth in them, and he took them off and continued his prayer).
If the prayer were invalidated by impurity in the case of ignorance, the Prophet (peace and blessings be upon him) would have started his prayer over from the beginning.