From Sahih Muslim (Hadith 6040):
Anas b. Malik reported that Umm Sulaim was with the wives of Allah's Apostle (ﷺ) and a camel-driver had been driving (the camels) oil which they were riding. Thereupon Allah's Apostle (ﷺ) said:Anjasha, drive slowly, for you are carrying (on the camels) vessels of glass
Reference: Muslim 6040