It is natural to be selfish and self-centered, and it is a pathetic fact of our life that we are able only to care for ourselves, but we don't enough time for caring the poor and needy. Selfish people think that they are getting more by ignoring needy and poor people.
But it is wrong thinking, but Evolution of cooperation always tends towards happiness at the highest peak by which we can reproduce more and more winning strategies not only for ourselves but also for others who are looking forward to our support. An individual gets less than what he would gain if he had worked with cooperation, so cooperation is a source
diminishing selfishness. Collaboration and forgiveness are keys to enjoy a satisfactory and peaceful life. Many people in the world are expert in hidden support and cooperation for others; they build realization of peace and joy by accomplishing constant caring and developing more love and insight really for others. They don't expect the reward, so
they are the most successful people in the world.