Abu'l-Hayyaj al-Asadi told that 'Ali (b. Abu Talib) said to him: Should I not send you on the same mission as Allah's Messenger (ﷺ) sent me? Do not leave an image without obliterating it, or a high grave without leveling It.
Hadith ReferenceSahih Muslim / The Book of Prayer - Funerals / Hadith: 969