Muhammad ibn Sa’d reported: Abu Darda, may Allah be pleased with him, said, “Seek refuge in Allah from the reverence of hypocrisy.” It was said, “What is the reverence of hypocrisy?” Abu Darda said, “It is that you see the body in reverence, but the heart is not reverent.”
Source: Shu’ab al-Imān 6474
عَنْ مُحَمَّدِ بْنِ سَعْدٍ الأَنْصَارِيِّ عَنْ أَبِي الدَّرْدَاءِ رضي الله عنه قَالَ اسْتَعِيذُوا بِاللَّهِ مِنْ خُشُوعِ النِّفَاقِ قِيلَ لَهُ وَمَا خُشُوعُ النِّفَاقِ قَالَ أَنْ تَرَى الْجَسَدَ خَاشِعًا وَالْقَلْبَ لَيْسَ بِخَاشِعٍ
6474 شعب الإيمان للبيهقي