Human being is both being in the world and living in the world. Living involves responsible understanding of one's role in relation to all other beings. For living is not being in itself, but living of the world, affecting, exploiting, consuming, comprehending, deriving, depriving.
Infinite altruism is the basis of peace and happiness. If you want altruism, you must control hate and you must practice patience. The main teachers of patience are our enemies.