Whoever listens to the talk of some people while they dislike that, molten lead shall be poured into his ears on the Day of Judgment. [Al-Bukhari]
"«من تَسَمَّع حديث قوم وهم له كارهون؛ صُبَّ في أذنيه الآنُكُ يوم القيامة». [البخاري.]"