GOOD BEHAVIOR H 633 "A believer can reach the rank of one who fasts during the day and spends the night in prayer through good behavior." R 633 Abu Daud with a chain up to the Mother of Believers, Lady Ayesha, may Allah be pleased with her, who related that she heard the Prophet, praise and peace be upon him, say this.
628- وعن عائشة رضي الله عنها ، قالت : سَمِعْتُ رسولَ الله صلى الله عليه وآله وسلم ، يقول : "إنَّ المُؤْمِنَ لَيُدْرِكُ بحُسْنِ خُلُقِه دَرَجَةَ الصَّائِمِ القَائِمِ" رواه أَبُو داود .