It was narrated that 'Ali said:
"I never saw the Messenger of Allah mention his parents together for anyone except Sa'd bin Malik. He said to him on the Day of Uhud: 'Shoot, Sa'd! May my father and mother be sacrificed for you!'" (ES)
English reference (ES): Vol. 1, Book 1, Hadith 129 (ES)
Arabic reference (ES): Book 1, Hadith 134 (ES)