Human emotions and physiognomy.
Physiognomic image and hexagram Yih-King 8.

physical parameters in physiognomy and universal symbols of world categories

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Lineaments of a face and perception of a time.
Eyebrows: ideas are in the past / inevitably final chronology of subjective human comprehensions.
Eyes: aspirations are in the present / relative chronology of subjective human achievements.
Mouth: events are in the present / relative chronology of subjective human actions.

Person realizes interrelation of the past time with events which sees at present time.

Analytical formulas of the canon of changes.
1 (eyebrows) illusive thinking is (mouth) indisputable evidence of (eyes) absolute existence.
2
(eyebrows) deceptive reminiscences are (eyes) actual displays of (mouth) authentic past.
3
(mouth) objective assumptions are (eyebrows) involuntary projections of (eyes) obvious future.

Versions of facial emotions and mimic movements of a human face are not displays of spatial coordinates or measurements of space, and also are not images of geometrical and mathematical sizes which mean physical parameters of other world categories. But hexagrams of the canon of changes and physiognomic images of emotional expressions are universal logic symbols for all world categories and any sizes of the existing world, as are comparable to mental processes or otherwise to tell spiritual phenomena according to which existential principles of human life are shown, and including emotions of people are carried out.

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Following 9 facial image in gallery.
About physical parameters of spiritual phenomena and emotional expressions as universal logic symbols of world categories, and also psychological aspects of physiognomy.