'Abdur-Rahman bin Sa'd bin 'Ammar bin Sa'd narrated that hisfathertold him, from his father, from his grandfather, that when theMessenger of Allah (ﷺ) delivered a speech on the battlefield hewould do so leaning on a bow, and when he delivered a sermon onFriday, he would do so leaning on his staff. (RU)
English reference (RU): Vol. 1, Book 5, Hadith 1107 (RU)
Arabic reference (RU): Book 5, Hadith 1161 (RU)