and it is not prescribed. He should rub his body, begin with the right side, and wash his feet in a different place. As for what suffices: …
His statement, “and he should rub it,” means that he passes his hand over his body. Rubbing is prescribed in order to ensure that the water reaches the entire body, for if he merely pours water without rubbing, it may disperse over the body because of the oils upon it. Thus, rubbing is sunnah.
His statement, “and he should begin with the right side,” means that he begins with the right side, based on the hadith of Aishah, may Allah be pleased with her: “The Prophet, peace and blessings be upon him, liked to begin with the right in combing his hair, putting on his sandals, purifying himself, and in all his affairs.” (1)
His statement, “and he washes his feet in a different place,” means that once he has finished bathing, he washes his feet in a place other than the first place.
The apparent meaning of the author’s words is that this is sunnah in all circumstances, even if the place is clean, as is the case with our bathrooms nowadays.
What appears correct to me is that he washes his feet in another place when there is a need, such as when the ground is muddy; for if he does not wash them, his feet will become soiled with mud.
This is supported by the fact that the Prophet, peace and blessings be upon him, did not wash his feet after bathing in the hadith of Aishah. (2) The narration stating, “that he washed his feet,” (3) is weak. What is correct is that he washed his feet only in the hadith of Maimunah.
His statement, “as for what suffices,” means that by which one is absolved of liability.