Just as you want to avoid the experience of suffering, and just as you want to experience happiness and well-being, so too does each and every being want to avoid suffering and to experience its own well-being. This is a fundamental truth, no matter what their way of life is or how it may appear. This being so, how could you then cause suffering to anybody else? Knowing that you would not like others to inflict sufferings upon you, how could you inflict suffering upon others? This is why it is necessary to work with the mind. You may not immediately be able to wipe away the sufferings of others on any grand scale, or immediately be able to permeate the lives of each and every being with happiness and well-being. But you can certainly cease to harm yourself and others. To brush it aside just because the results are not immediately tangible, and then continue to harm yourself and others, would reveal an attitude lacking in true understanding and compassion.

-- Khenpo Karthar Rinpoche