hadith
10472
۞
Imam Ali (AS) said, The piety of a hypocrite is not manifested but on his tongue.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : وَرَعُ المُنافِقِ لايَظْهَرُ إلاّ عَلى لِسانِهِ