Without freedom, creativity cannot flourish. The right to freedom is crucial to progress in any society; and the context is having a sense of global responsibility.
In what is seen, there should be just the seen; In what is heard, there should be just the heard; In what is sensed, there should be just the sensed; In what is thought, there should be just the thought. He should not kill a living being, nor cause it to be killed, nor should he incite another to kill. Do not injure any being, either strong or weak in the world.
Being concerned about other people is especially relevant in today's world. If we consider the complex inter-connected ness of our modern lives, how we depend on others and others depend on us, our outlook will change. We’ll begin to see 'others' not as somehow distant from us, but as people we are in touch with, people close to us; we will no longer feel indifferent to them.
Hinduism threw away Buddhism after taking its sap. The attempt of all the Southern Acharyas was to effect a reconciliation between the two. Shankaracharya's teaching shows the influence of Buddhism. His disciples perverted his teaching and carried it to such an extreme point that some of the later reformers were right in calling the Acharya's followers "crypto-buddhists".
There is a way to be purified, to overcome sorrows and grief, to release suffering, to secure the right path to realize nirvana. This is to be mindful.
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?"
These teachings are like a raft, to be abandoned once you have crossed the flood. Since you should abandon even good states of mind generated by these teachings, How much more so should you abandon bad states of mind!
Rid of craving and without clinging, an expert in the study of texts, and understanding the right sequence of the words, he may indeed be called "In his last body", "Great in wisdom" and a "Great man."