It is narrated from Sayyiduna Sahl bin Hunaif, may Allah be pleased with him, that he relates from the Messenger of Allah, peace and blessings be upon him, that he said: "None of you should say, 'My soul has become evil,' but rather say: 'My soul and temperament have become disturbed.'" Imam Bukhari, may Allah have mercy on him, says: Aqil has narrated it in a musnad form.