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ahmad-zuhd:1589 – ʿAbdullāh from my father > Yaḥyá b. Saʿīd > ʿAbdullāh b. al-ʿAyzār > al-Ḥasan

[Machine] "Lying is the essence of hypocrisy."  

الزهد لأحمد:١٥٨٩ – حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي أَبِي حَدَّثَنَا يَحْيَى بْنُ سَعِيدٍ عَنْ عَبْدِ اللَّهِ بْنِ الْعَيْزَارِ عَنِ الْحَسَنِ قَالَ

«الْكَذِبُ جِمَاعُ النِّفَاقِ»  

See similar narrations below:

Collected by Muslim
muslim:i070 – al-Ḥulwānī > ʿAffān

‘I narrated to Hammād bin Salamah [bin Dīnār al-Basrī], on authority of Sālih al-Murrī , a Ḥadīth on authority of Thābit [bin Aslam al-Banānī], then [Hammād] said: ‘[Sālih] lied’. I also narrated to Hammām on authority of Sālih al-Murrī a Ḥadīth then [Hammām] said: ‘[Sālih] lied’.  

مسلم:i٠٧٠ – وَحَدَّثَنَا الْحُلْوَانِيُّ قَالَ سَمِعْتُ عَفَّانَ قَالَ

حَدَّثْتُ حَمَّادَ بْنَ سَلَمَةَ عَنْ صَالِحٍ الْمُرِّيِّ بِحَدِيثٍ عَنْ ثَابِتٍ فَقَالَ كَذَبَ وَحَدَّثْتُ هَمَّامًا عَنْ صَالِحٍ الْمُرِّيِّ بِحَدِيثٍ فَقَالَ كَذَبَ