It wasnarrated from Ibn 'Abbas that the Messenger of Allah (ﷺ)said:
"Every religion has its distinct characteristic, and thedistinctcharacteristic of Islam is modesty.'" (RU)
English reference (RU): Vol. 5, Book 37, Hadith 4182 (RU)
Arabic reference (RU): Book 37, Hadith 4322 (RU)