If it is not obligatory to repeat the prayer if one prays in the clothes of disbelievers, is it recommended?
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The questioner : If it is not obligatory to repeat the prayer for what he prayed in that space, does he continue? Yes.
The Shaykh : Repeating it. We can say that it is recommended to take the scholarly disagreement into account, but as I told you a moment ago, this is not stated generally regarding disbelievers. We said that disbelievers are known, and in reality, there are three categories. The first is what they have not worn. The second is what they have worn, but they are known for avoiding impurity. There is no dislike or prohibition in these two. The third is what they have worn, and they are among those known for worshipping with impurity. In this case, we say do not wear it except in case of need or dire necessity. And if you need it, wash it first. If that is not possible, pray and do not repeat the prayer.
The questioner : So, the statement on the right, this is what happens after wearing it. Okay, Shaykh, if I know that the people of a certain place worship with impurity
The Shaykh : Yes, after he has prayed.
The questioner : Before he prays.
The Shaykh : If he knows it is impure, it is not permissible to pray in it.
The questioner : The earth curves.
The Shaykh : Yes, it is not permissible to pray in it. Either he washes it or he seeks a new garment, meaning a pure garment.
The Shaykh : Repeating it. We can say that it is recommended to take the scholarly disagreement into account, but as I told you a moment ago, this is not stated generally regarding disbelievers. We said that disbelievers are known, and in reality, there are three categories. The first is what they have not worn. The second is what they have worn, but they are known for avoiding impurity. There is no dislike or prohibition in these two. The third is what they have worn, and they are among those known for worshipping with impurity. In this case, we say do not wear it except in case of need or dire necessity. And if you need it, wash it first. If that is not possible, pray and do not repeat the prayer.
The questioner : So, the statement on the right, this is what happens after wearing it. Okay, Shaykh, if I know that the people of a certain place worship with impurity
The Shaykh : Yes, after he has prayed.
The questioner : Before he prays.
The Shaykh : If he knows it is impure, it is not permissible to pray in it.
The questioner : The earth curves.
The Shaykh : Yes, it is not permissible to pray in it. Either he washes it or he seeks a new garment, meaning a pure garment.
Source
قناة «فضيلة الشيخ محمد بن صالح العثيمين»، 142 - إذا كان لا يجب إعادة الصلاة إذا صلى بثياب الكفار فهل يستحب؟ الكافي في فقه الإمام - ابن عثيمين — youtube.com
The Arabic text is a machine transcription of the audio recording.