The various features and aspects of human life, such as longevity, good health, success, happiness, and so forth, which we consider desirable, are all dependent on kindness and a good heart.
Dalai LamaThe great benefit of science is that it can contribute tremendously to the alleviation of suffering at the physical level, but it is only through the cultivation of the qualities of the human heart and the transformation of our attitudes that we can begin to address and overcome our mental suffering...
Dalai LamaA positive state of mind is not merely good for you, it benefits everyone with whom you come into contact, literally changing the world.
Dalai Lama