The truest couplet recited by a poet is: "Behold! apart from Allah everything is vain," and he made no addition to it.
Sahih Muslim Book 41, Hadith 6
← Previous Hadith The truest verse recited by a poet is: "Behold! apart from Allah everything is vain," and Ibn Abu Salt was almost a Muslim.

Sahih Muslim Book 41, Hadith 5 Next Hadith → I heard Allah's Messenger (ﷺ) as saying: The truest word which the poet stated is the word of Labid: "Behold! apart from Allah everything is vain."

Sahih Muslim Book 41, Hadith 7