Is it not permissible to delay the explanation? So why did he not mention rinsing the mouth and sniffing water into the nose in the ablution?
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The questioner : ...
The Shaykh : Did we not say that the face includes the nose and the mouth, so that they are included within the limit of the face? Then, regarding this principle you mentioned—delaying the explanation until the time of need—the Messenger (peace and blessings be upon him) would have explained it either before he commanded the Bedouin or after. If it was before, then he delegated the matter to the Bedouin to ask if it was not apparent in his saying:. And if it was apparent, then the matter is clear.
The Shaykh : Did we not say that the face includes the nose and the mouth, so that they are included within the limit of the face? Then, regarding this principle you mentioned—delaying the explanation until the time of need—the Messenger (peace and blessings be upon him) would have explained it either before he commanded the Bedouin or after. If it was before, then he delegated the matter to the Bedouin to ask if it was not apparent in his saying: