hadith
4328
۞
Imam Ali (AS) said, If a person were to use his intellect, he would protect his secret from the one who has revealed [anothers secret] to him and would not inform anyone of it.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : لَوْ عَقَلَ المَرْءُ عَقْلَهُ لأحْرَزَ سِرَّهُ عَمَّنْ أفْشاهُ إلَيْهِ وَ لَمْ يُطْلِعْ أحَداً علَيهِ