Hadith #6039 (Sahih al-Bukhari)
Book: Asking Permission
Narrator(s): Bishr bin al-Hakam
Grade: Sahih

as above (No. 290) adding: The Prophet (ﷺ) was reclining (leaning) and then he sat up saying, “And I warn you against giving a false statement.” And he kept on saying that warning so much so that we said, “Would that he had stopped.”

Source: https://parallelquran.com/hadith/sahih-al-bukhari-6039/