Imam Al-Nawawi’s Riyad-us-Saliheen
Abomination of Self-Condemnation
1739. `Aishah (May Allah be pleased with her) said: The Prophet (sallallaahu alayhi wa sallam) said, “None of you should say: `My soul has become evil.’ He should say: `My soul is in bad shape.”’
[Al-Bukhari and Muslim].