The Messenger of Allah ﷺ said, "Indeed, some poetry contains wisdom."
قال رسول الله ﷺ: إن من الشعر حكمة.
No references are available.
Bukhari narrated it in the Book of Manners (6145), from Abu Yaman, [who said], Shuayb informed us, from Zuhri, who said, Abu Bakr bin Abdul-Rahman informed me, that Marwan bin Hakam informed him, that Abdul-Rahman bin Aswad bin Abd Yaghuth informed him, that Ubayy bin Kaab informed him, and he mentioned it.