Physics deals with material world which is experienced in actual life.
Metaphysical issues are deeply concerned with the intellectual analysis of the deep intricacies of the reality.
The truth about reality can be demonstrated or substantiated but can’t be denied also.
We have both positive & negative approaches to reality.
Theist philosophers have attempted to prove the existence of God logically based on regions scriptures.
There are atheist philosophers who develop counter-arguments to show the inadequacy or invalidity in the logic of God’s existence.
God’s existence is proved through various theories which are based on ontological, cosmological, moral & teleological reasonings.
Another important concept in Metaphysics is soul or self which is the sustaining force in all living species, responsible for consciousness.
The concept of Soul & Spirit is also substantiated through logical arguments by spiritual philosophers.
On the other hand the materialists deny the existence of a permanent abiding substance in the body,
Spiritually, the realisation of the self is the way for freedom from all sufferings.
The ancient Greek philosophies had emphasised on the statement "know thyself".
Knowing self is knowing God as God dwell within is fundamental point for religious philosophers.
For materialists, the death is the end of life and everything ends with that.