مسند أحمد

It was narrated that `Abdullah bin az-Zubair said: `Uthman bin `Affan (رضي الله عنه) said, speaking from his minbar: I am going to tell you a hadeeth that I heard from the Messenger of Allah (ﷺ) ; nothing kept me from telling it to you except the fact that I care for you. I heard the Messenger of Allah (ﷺ) say: “Standing guard for one night for the sake of Allah, may He be exalted, is better than a thousand nights spent in prayer and [a thousand] days spent fasting.`