(35) باب مَنِ اتَّكَأَ بَيْنَ يَدَىْ أَصْحَابِهِ
Narrated Bishr:
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."
Reference: Sahih al-Bukhari 6274
In-book reference: Book 79, Hadith 48
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 74, Hadith 291