Mishkat al-Masabih 30 Fine Qualities كتاب المناقب 283

وَعَنْ جَابِرٍ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «غِلَظُ الْقُلُوبِ وَالْجَفَاءُ فِي الْمَشْرِقِ وَالْإِيمَانُ فِي أَهْلِ الْحِجَازِ» . رَوَاهُ مُسْلِمٌ

Jabir reported God’s messenger as saying, “Harsh hearts and roughness are to be found in the east, but faith among the people of the Hijaz.” Muslim transmitted it.