وَحَدَّثَنِي 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 haveheard that by his good character a man can reach the degree of the onewho stands in prayer at night and the one who is thirsty from fastingin the heat of the day." Translation Not Available

Book reference: Muwatta Imam Malik Book 47 Hadith 1641
Web reference: Muwatta Imam Malik Book 47 Hadith 6