" Some anthropologists divide cultures into shame cultures and guilt cultures. According to this perspective, shame is an outward mechanism, and guilt is an inward one which alludes to a human mechanism that produces strong feelings of remorse when someone has done something wrong, to the point that he or she needs to rectify the matter. "

― Hamza Yusuf , Purification of the Heart: Signs, Symptoms and Cures of the Spiritual Diseases of the Heart