Body - Soul - Spirit

What is Soul and what is Spirit?
What does the Triad of Body-Soul-Spirit refer to?
What is the difference between this and Body-Mind-Spirit?

A simple explanation based on that which The Holy Spirit Himself gave us in His Message!

For those who will care to listen! Who will not keep their mind closed through the pursuit of materialistic desires! Who do not scorn or repudiate anything from GOD!