Hadith 1461
Abu Saeed al-Khudri said: A man heard another man reciting "Say, He is Allah, One" He was repeating it. When the next morning came, he went to the Messenger of Allah ﷺ and mentioned to him. The man tool it (this surah) as a small one. The Prophet ﷺ said: By Him in Whose Hand is my life, it is equivalent to a third of the Quran.
Hadith 4267
Narrated Abu Saeed Al Khudri: The Messenger of Allah ﷺ as saying: A Muslim's best property will soon be sheep which he will take to the tops of the mountains and the places where the rain falls, fleeing with his religion from the civil strife (fitan).