Imam Al-Nawawi’s Riyad-us-Saliheen
Chapter 346
Prohibition of Extending Fast beyond one Day
1764. Abu Hurairah and `Aishah (May Allah be pleased with them) said: The Prophet (sallallaahu alayhi wa sallam) prohibited observing continuous voluntary fasts beyond one day.
[Al-Bukhari and Muslim].
1765. Ibn `Umar (May Allah be pleased with them) said: The Messenger of Allah (sallallaahu alayhi wa sallam) prohibited observing continuous fasts beyond one day. The Companions submitted: “But you do it.” He replied, “I am not like you. I am given to eat and to drink (from Allah).”
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