31-97 According to the same documentation, God’s Prophet (S) said, “A servant (i.e. a person) will attain the rank of one who fasts and stays up at night through being good-tempered.”
ʿUyūn akhbār al-Riḍā #4131-41 According to the same documentation, God’s Prophet (S) said, “I advise you to be good-tempered as undoubtedly a good-tempered person...