Hadees Related to Evil (Burai)

Abu Sa'id Al Khudri Radiyallahu 'anhu narrates: I heard Rasulullah Sallallahu 'alaihi wasallam saying: Anybody amongst you who sees an evil should change it with his hands; if he is unable to do so, then with his tongue; if he is unable to do this (even), then by his heart and this is the weakest form of Iman. (Sahih Muslim)
 
Note: To change it by his heart means that one should at least consider it a vice in his heart and should supplicate for its change.