I believe Athma or Atma or Soul or Alma means your heart and mind. Your heart’s electrical system controls all the events in your body. Your mind is a private sphere to which no one but you have an access. No one else can know your mind. Others can only interpret what you consciously or unconsciously communicate. Your cognitive thought process starts from your mind. So if you keep your heart and mind pure (Athma-pure) that balances you right away. Your mental atmosphere or state of mind works with positive thoughts. That transforms your beliefs into good behavior and good attitude in order to succeed in life.