It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:
"The most dishonest of people are the dyers and the goldsmiths. "[1] (RU)
English reference (RU): Vol. 3, Book 12, Hadith 2152 (RU)
Arabic reference (RU): Book 12, Hadith 2235 (RU)