Narrated 'Ali:
"When I would ask the Messenger of Allah (ﷺ), he would give me, and when I would be silent, he would initiate (speech or giving) with me." (JA)
English reference (JA): Vol. 1, Book 46, Hadith 3722 (JA)
Arabic reference (JA): Book 49, Hadith 4088 (JA)