Sunan Abi Dawud General Behavior (Kitab Al-Adab) Abdul Malik bin Ibrahim al-Jaddi عبد الملك بن إبراهيم الجدي al-Hasan bin 'Ali al-Halwani الحسن بن علي الخلال الحلواني Ali ibn Abi Talib Sa'id bin Khalid al-Khza'y سعيد بن خالد الخزاعي المدني Ubaidullah bin Abi Rafi' عبيد الله بن أبي رافع Hasan Sahih The Prophet (ﷺ) said: When one of you comes to an assembly, he should give a salutation and if he feels inclined to get up, he should give a salutation, for the former is not more of a duty than the latter. https://parallelquran.com/hadith/sunan-abi-dawud-5208/