حَدَّثَنَا قُتَيْبَةُ، قَالَ: حَدَّثَنَا جَرِيرٌ، عَنِ الأَعْمَشِ، عَنْ مُجَاهِدٍ، عَنْ أَبِي مَعْمَرٍ، عَنْ عَبْدِ اللهِ قَالَ: لاَ يَصْلُحُ الْكَذِبُ فِي جِدٍّ وَلاَ هَزْلٍ، وَلاَ أَنْ يَعِدَ أَحَدُكُمْ وَلَدَهُ شَيْئًا ثُمَّ لاَ يُنْجِزُ لَهُ.
It is narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him), he said: Lying is not permissible in any form, whether in seriousness or in jest, to the extent that it is not even permissible for any of you to promise something to his child and then not give it.