Riyad as-SalihinChapter 1Hadith 45
Full Sharh — Riyad as-Salihin 45
وعن حفصة رضي الله عنها أن رسول الله صلى الله عليه وسلم ، كان يجعل يمينه لطعامه وشرابه وثيابه، ويجعل يساره لما سوى ذلك. ((رواه أبو داود والترمذي وغيره)).
English Translation
Hafsah (May Allah be pleased with her) reported:: Messenger of Allah (ﷺ) used to use his right hand for eating, drinking and wearing his clothes and used to use his left hand for other purposes..
Source
Riyad as-Salihin(رياض الصالحين)
The Book of Good Manners
Hadith Number
45