Arabic hadith text
حَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، قَالَ‏:‏ حَدَّثَنَا حَمَّادٌ، عَنِ ابْنِ عَقِيلٍ، عَنْ مُحَمَّدِ بْنِ عَلِيٍّ ابْنِ الْحَنَفِيَّةِ، عَنْ أَبِيهِ قَالَ‏:‏ كَانَ النَّبِيُّ صلى الله عليه وسلم ضَخْمَ الرَّأْسِ، عَظِيمَ الْعَيْنَيْنِ، إِذَا مَشَى تَكَفَّأَ، كَأَنَّمَا يَمْشِي فِي صَعَدٍ، إِذَا الْتَفَتَ الْتَفَتَ جَمِيعًا‏.‏
Translation

Muhammad ibn al-Hanafiyya said, "The Prophet, may Allah blesshim and grant him peace, had a large head and large eyes. When he walked,he bent forward as if he was walking up a hill. When he turned around,he turned completely."