World encyclopedias explain the meanings of these words in the way that these are unseen connected spirits with each other. Few people are of the view that these are interlinked with each other but are different terminologies yet they are not.
Soul and Psyche are both reflection to each other, SOUL…. it might be negative or it might be positive. That can room the world itself or it can revolves the world around it. Nature has made this creature the most powerful  Source of understanding to The unknown it is unseen yet is endlessly powered enough to be recognized.

PSYCHE is Greek word and has great Greek philosophy and myth that elaborates the fundamentality of it as realistic in sense that it is alive source that Contain pot of knowledge in it has layers that reveals to the Unconsciousness and semi-consciousness of human mind.

If the myths concerns to this huge elaborated topics may consult than the discussion here may convert to the other edge. Here the ground of illustration is Sufism; which indeed the critical world for so many people and most of the sane and mental power provoked people consider it just the goodness of imagination of human mental ecstasy which one can interlinked with soul, psyche and mind. Where as it has more deeper reality.

The invocation of human goodness of thinking, acting, offering virtuosity and human high rank of compassionate deeds which give leads to human heart centre of ecstasy and room of revalidation of true happenings with the strength of zikr and religious conceptual perceptions. This pave way to the actualities of Sufism in Islam it is higher rank of understanding Truth, Love and Knowledge all compassionate realities and integration of Lord; The Creator.

Mind, Soul both should purify and fertilized with the introvert thought to know the Truth, to enhance the Truth, to acknowledge the Truth, invoke the Truth and come on the surface of the outer or extrovert realities with the spark that psyche of one should be based on morals and virtues. Because once this done one can think positive, act positive, react positive and consequently Fate and Will both be conquer positively with the Light of Truth and Knowledge.

‘There is no sin but ignorance’ he who is ignorant can never be the Truth seeker can never have the spot Light of Knowledge, The Light which is referred here is Divine and refers to the Divinity.

To have the Light, Knowledge and guidance of Truth one should be the receiver of the introvert ecstasy by acting upon it the rays of actualities will differ the appearance from the outer colors to the inner bright light that will directly leads the horse of spirit and that will connected to the soul, mind and psyche which will create the Aura of personality and character to the SCALES and the levels of understanding or reorganizations.