Delusion

ِDo not be under any delusion about Allah, and do not be under any delusion with respect to your righteousness, your knowledge, your deeds, your goodness or your worship.

رسولُ اللَّهِ صلى اللَّه عليه وآله :  يابنَ مَسعودٍ ، لا تَغتَرَّنَّ بِاللَّهِ ، ولا تَغتَرَّنَّ بصَلاحِكَ وعِلمِكَ وعَمَلِكَ وبِرِّكَ وعبادَتِكَ . مكارم الأخلاق : 2 / 350 / 2660 .

 The Prophet (SAWA) said, ‘O Ibn Masud, do not be under any delusion about Allah, and do not be under any delusion with respect to your righteousness, your knowledge, your deeds, your goodness or your worship.’ Makarim al-Akhlaq, v. 2, p. 350, no. 2660