hadith
7583
۞
Imam Ali (AS) said, The worst treachery is divulging the secret [that has been entrusted to you].
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : أقْبَحُ الغَدْرِ إذاعَةُ السِّرِّ