'Aayeshah Radiyallahu 'Anha reports:
"Rasulullah Sallallahu 'Alayhi Wasallam did not hit anything with his mubaarak hands, besides the time when he made jihaad in the Path of Allah. He did not hit a servant nor a women (wife, slave girl etc.)".
English reference: Book 47, Hadith 331
Arabic reference: Book 48, Hadith 348