Certain beliefs must accompany every action: One should act without selfishness, cultivate compassion for all living things, and develop respect for others.
One has to try to develop one's inner feelings, which can be done simply by training one's mind. This is a priceless human asset and one you don't have to pay income tax on!
What acts as a far more effective circumstance for generating compassion and what, in fact, rouses us from our comfortable meditation seat is actually seeing or hearing others - encountering others directly, not just conceptually in our imagination.
One of the basic points is kindness. With kindness, with love and compassion, with his feeling that is the essence of brotherhood, sisterhood, one will have inner peace. This compassionate feeling is the basis of inner peace.
Real love is not based on attachment, but on altruism. In this case, your compassion will remain as a humane response to suffering as long as beings continue to suffer.