Worry about yourself !
‘Abdullaah bin Mas’ood RadhiyAllahu Ta’ala ‘Anhu :
From amongst the biggest sins a person can be guilty of, is for him to be told by his brother “Fear Allaah!”
and all he replies with is “Worry about yourself!”
(ie he doesn’t take in the advice due to pride etc)
[al-Mujaalasah p. 446]