لَنَا يَوْمَ الْخَمِيسِ اغْتَسِلَا الْيَوْمَ لِغَدٍ يَوْمِ الْجُمُعَةِ فَإِنَّ الْمَاءَ بِهَا غَداً قَلِيلٌ فَاغْتَسَلْنَا يَوْمَ الْخَمِيسِ لِيَوْمِ الْجُمُعَةِ.
“We were with abu al-Hassan (a.s.), in the desert on our way to Baghdad. He (the Imam) said to us, ‘Today is Thursday, take Ghusl (bath) for Friday, tomorrow water will be scarce.’ We took Ghusl (bath) on Thursday for Friday.’”