Mu'adh bin Jabal (RAA) narrated that the Messenger of Allah (ﷺ) said:
"If anyone disgraces his brother for a sin, he will not die before committing it himself." Related At-Tirmidhi who graded it to be Hasan. (AR)
English reference (AR): Book 16, Hadith 1558 (AR)
Arabic reference (AR): Book 16, Hadith 1515 (AR)