Hadith 502920
Chapter 8: Prayer in Congregation - كتاب صلاة الجماعة
حَدَّثَنِي يَحْيَى، عَنْ مَالِكٍ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ حَرْمَلَةَ الأَسْلَمِيِّ، عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " بَيْنَنَا وَبَيْنَ الْمُنَافِقِينَ شُهُودُ الْعِشَاءِ وَالصُّبْحِ لاَ يَسْتَطِيعُونَهُمَا " . أَوْ نَحْوَ هَذَا .
Yahya related to me from Malik from Abd ar-Rahman ibn Harmala al- Aslami from Said ibn al-Musayyab that the Messenger of Allah, may Allah bless him and grant him peace, said, "What separates us from the hypocrites is being present at isha and subh. They cannot do it," or words to that effect.
Reference Muwatta Malik 502920
USC-MSA web (English) reference : Book 8, Hadith 5