Misunderstanding may arise by confusing the Buddhist and scientific definitions of death. Within the scientific system you spoke quite validly of the death of the brain and the death of heart. Different parts of the body can die separately. However, in the Buddhist system, the word death is not used in that way. You'd never speak of the death of a particular part of the body, but rather of the death of an entire person. When people say that a certain person died, we don't ask, "Well, which part died?"
Dalai LamaWe can never obtain peace in the world if we neglect the inner world and don't make peace with ourselves. World peace must develop out of inner peace. Without inner peace it is impossible to achieve world peace, external peace. Weapons themselves do not act. They have not come out of the blue. Man has made them. But even given those weapons, those terrible weapons, they cannot act by themselves. As long as they are left alone in storage they cannot do any harm. A human being must use them. Someone must push the button. Satan, the evil powers, cannot push that button. Human beings must do it.
Dalai Lama