Is there need for lengthy explanation?
Childish beings look out for themselves,
While Buddhas labor for the good of others.
See the difference that divides them! . . .
The Way of the Bodhisattva,chap. 8, verses 129-130., SHANTIDEVA (685-763)
It seems that challenge of narcissism is every with us. All the best on your journey to Buddha-hood.
And remember – don’t slap that mosquito!