حَدَّثَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، قَالَ‏:‏ أَخْبَرَنَا ابْنُ لَهِيعَةَ، عَنْ عُبَيْدِ اللهِ بْنِ الْمُغِيرَةِ، عَنْ عَبْدِ اللهِ بْنِ الْحَارِثِ بْنِ جَزْءٍ، أَنَّهُ قَالَ‏:‏ مَا رَأَيْتُ أَحَدًا أَكْثَرَ تَبَسُّمًا مِنْ رَسُولِ اللهِ صلى الله عليه وسلم‏.‏‏.‏
Translation
‘Abdullah ibn al-Harith ibn Jaz said (may Allah be well pleased with him)

"I have not seen anyone with a more cheerful countenance than Allah's Messenger (Allah bless him and give him peace)!"