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!'" (RU)
English reference (RU): Vol. 1, Book 1, Hadith 129 (RU)
Arabic reference (RU): Book 1, Hadith 134 (RU)