Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
ahmad-zuhd:1612ʿAbdullāh > Abū Maʿmar > Jarīr > al-Aʿmash

[Machine] Al-Hasan said, may Allah have mercy on him, "Goodness is a habit, and evil is persistence."  

الزهد لأحمد:١٦١٢حَدَّثَنَا عَبْدُ اللَّهِ حَدَّثَنِي أَبُو مَعْمَرٌ حَدَّثَنَا جَرِيرٌ عَنِ الْأَعْمَشِ قَالَ

قَالَ الْحَسَنُ رَحِمَهُ اللَّهُ «الْخَيْرُ عَادَةٌ وَالشَّرُّ لَجَاجَةٌ»