(10) CHAPTER. Providing water at lavatories (for washing the private parts after answering the call of nature).
143. Narrated Ibn ‘Abbãs : Once the Prophet, peace be upon him, entered a lavatory and I placed water for his ablution. He asked, “Who placed it?” He was informed accordingly and so he said, “0 Allah! Make him (Ibn ‘Abbas) a learned scholar in religion (Islam) .”