Simply minding one's own business is more offensive than being intrusive. Without ever saying a word one can make a person feel less-than.
Criss JamiDon't change your mind just because people are offended; change your mind if you're wrong.
Criss JamiThe challenge of abating one with a genuine ego problem is to not try to put him down. Any and all antagonization, in his mind, is merely compensated for by his own descriptions: his feelings of persecution by the envious and his ideals of worth. Arguably, the genuine ego is more of a circumstantial defense mechanism rather than a steady arrogance in need of starvation.
Criss Jami