You can bring more peace and harmony in your life and increase your long term well being by being a more compassionate person. Compassion is not a trait, it is a flexible skill that can be increased by various different schemes.
Compassion is really the recognition of the interconnectedness, it is the realization that we are intricately connected with others around us and we are all in the same boat, having similar sets of joys and sorrows in our lives.
Read full article here. How to Cultivate Compassion in the 21st Century