Muwatta Malik 1638
موطأ مالك#1638Hasanوَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ يَحْيَى بْنِ سَعِيدٍ، أَنَّهُ قَالَ بَلَغَنِي أَنَّ الْمَرْءَ، لَيُدْرِكُ بِحُسْنِ خُلُقِهِ دَرَجَةَ الْقَائِمِ بِاللَّيْلِ الظَّامِي بِالْهَوَاجِرِ .
Yahya related to me from Malik that Yahya ibn Said said, "I have heard that by his good character a man can reach the degree of the one who stands in prayer at night and the one who is thirsty from fasting in the heat of the day
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Salim al-HilaliHasan
In-book reference: 47:6