The importance of compassion in the Hindu traditions reaches as far back as the Vedas. The central concept particularly relevant to compassion in Hindu spirituality is that of Ahimsa. The exact definition of ahimsa varies from one tradition to another. Ahimsa is a Sanskrit word which can be translated most directly as "refraining from harmfulness."
Buddha has said “Compassion is that which makes the heart of the good move at the pain of others. It crushes and destroys the pain of others; thus, it is called compassion. It is called compassion because it shelters and embraces the distressed.” Compassion or karuna is at the transcendental and experiential heart of the Buddha's teachings. He was reputedly asked by his personal attendant, Ananda, "Would it be true to say that the cultivation of loving kindness and compassion is a part of our practice?" To which the Buddha replied, "No. It would not be true to say that the cultivation of loving kindness and compassion is part of our practice. It would be true to say that the cultivation of loving kindness and compassion is all of our practice.” The Dalai Lama has said, "If you want others to be happy, practice compassion. If you want to be happy, practice