Narrated 'Ubaidullah bin Abu Rafi:from Abu Rafi' and others, from the Prophet (ﷺ) who said: "Let me not find one of you reclining on his couch when a command I ordered, or a prohibition from me comes to him, and he says: “I do not know. What we find in the Book of Allah, we follow it”"
SahihSahihIsnaad SahihBook 41 · Hadith 19