Yahya related to me from Malik that Yazid ibn Ruman said, "I usedto pray next to Nafi ibn Jubayr ibn Mutim and he would nudge me toprompt him while we were praying."
App reference: Book 3, Hadith 34
USC-MSA web (English) reference: Book 3, Hadith 34
Arabic reference: Book 3, Hadith 181