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Quid est homo

John of Damascus · khazarzar

BothSourceEnglish
JSON Dossier
machine-draft · no human review 2 passages · 438 words

Work dossier · summary and historical context

Summary

Quid est homo is a brief theological dialogue in question-and-answer form attributed to John of Damascus. It defines human nature in relation to the divine and material worlds, drawing on Greek philosophical and medical traditions. The work is catechetical and synthetic, typical of Damascene's method, but its humoral physiology and schematic ages are atypical of his major works, raising questions about authorship. Transmitted among Byzantine florilegia and later cited in medieval Latin anthropology, it survives in modern digital transcription without critical apparatus. The English draft is a paraphrase, obscuring key theological terms like hypostasis and ousia.

Quid est homo illustrates the synthesis of Greek philosophy, medicine, and Christian theology in Byzantine anthropology. Its attribution to John of Damascus, despite atypical content, highlights the fluidity of authorship in monastic transmission. The work's humoral theory and schematic ages provide insight into Byzantine medical-astrological thought and its adaptation to Christian catechesis. It also shows the reception of Damascene's ideas in medieval Latin anthropology, though its influence is secondary to his major works.

Historical context

The work is attributed to John of Damascus (c. 675–749), a Greek monk and theologian active in the monastery of Mar Saba near Jerusalem during the Iconoclast controversy. It likely belongs to his later period, when he composed systematic works such as the Fount of Knowledge. The text's question-and-answer format reflects catechetical and philosophical traditions common in Byzantine monastic education. Its humoral theory derives from Hippocratic and Galenic medicine, adapted to a Christian framework, and its schematic ages (14, 28, 42, 80 years) follow late antique medical-astrological conventions. The work was transmitted among Byzantine florilegia and later cited in medieval Latin anthropology, though its direct influence is less than Damascene's major dogmatic works. The edition by khazarzar is a modern digital transcription without manuscript witnesses or variant readings, and the English draft is a paraphrase, not a literal translation.

Apparatus · what the pipeline recorded

Annotation and terms

12 commentary units 3 term3 background2 structure1 parallel1 dating1 reception1 caution 0 derived notes 3 open questions 2 narrative
What the kinds mean

Pipeline notes

  • coverageNo English translation could be identified: a language model asked twice could not name one, though it could not rule one out either. That is not proof that none exists — translations in dissertations, recent books and other modern languages are easily missed.
  • limitThe English is a machine draft produced passage by passage from the transcribed Coptic; no human has verified it. The commentary is model-written and cites only keys the pipeline could resolve.
  • registerRegister: other in ancient Greek; the English keeps the liturgical formulae and the vocatives rather than normalising them.
  • structurePassages: 2 narrative.
  • sourceSource edition: khazarzar — Migne PG text (public domain); khazarzar host and the digitising project state no licence for this layer

Term index

CopticRenderingCountFirst
no glossary terms recorded
khazarzar-john-of-damascus-quid-est-homo:1 · narrativehigh
Source
Ἐπιστολὴ τοῦ μακαριωτάτου καὶ φιλοσοφωτάτου κυρίου Ἰωάννου πρεσβυτέρου τοῦ Δαμασκηνοῦ, πρός τινα πεμφθεῖσα. Τί ἐστιν ἄνθρωπος; Ἄνθρωπός ἐστι ζῶον λογικὸν θνητὸν, νοῦ καὶ ἐπιστήμης δεκτικόν· συνίσταται δὲ ἐκ τεσσάρων στοιχείων, ἤγουν ἐξ αἵματος, φλέγματος, χολῆς ξανθῆς, καὶ χολῆς μελαίνης. Καὶ τῷ μὲν αἵματι ἐν τῇ καρδίᾳ, καὶ ἐν τῇ καρδίᾳ τὸ πνεῦμα· ἡ δὲ χολὴ ἡ ξανθὴ, ἐν τῷ ἥπατι καὶ ἐν τῷ στομάχῳ· ἡ δὲ μελαίνη χολὴ, ἐν τῇ σπλήνῃ, καὶ ἐν τῇ ψόᾳ· τὸ δὲ φλέγμα, ἐν τῷ ἐγκεφάλῳ καὶ ἐν τῇ κοίτῃ. Καὶ ὅσοι μὲν ἐξ αἵματος καθαροῦ τυγχάνουσιν, οὗτοί εἰσι πάντοτε χαίροντες καὶ παίζοντες καὶ γελῶντες, καὶ εἰσὶν ἀνθηροὶ, καὶ καλόχρωοι· ὅσοι δὲ ἀπὸ χολῆς ξανθῆς τυγχάνουσιν, εἰσὶ γοργοὶ καὶ εὔτολμοι, ὀργίλοι καὶ πικροὶ καὶ ἀλλόχρωοι· ὅσοι δὲ ἀπὸ χολῆς μελαίνης τυγχάνουσιν, εἰσὶ ῥᾴθυμοι καὶ ὀλιγόψυχοι, φιλάσθενοι καὶ ὀκνηροὶ καὶ δειλοί· ὅσοι δὲ ἀπὸ φλέγματος τυγχάνουσιν, εἰσὶ λυπηροὶ, καὶ μὴν καὶ ψυχροὶ, ἀμνήμονες καὶ διαλελησμένοι, τὰ πολλὰ κοιμώμενοι, καὶ λευκόχρωοι. Καὶ ἐπὶ μὲν τῆς παιδικῆς ἡλικίας τὸ αἷμα πληθύνεται ἕως ἐτῶν δεκατεσσάρων· ἐπὶ δὲ τῶν νεανίσκων ἡ χολὴ ἡ ξανθὴ πληθύνεται, ἕως ἐτῶν εἴκοσι ὀκτώ· ἐπὶ δὲ τῆς τελείας ἡλικίας ἡ χολὴ ἡ μελαίνη πληθύνεται, ἕως ἐτῶν τεσσαράκοντα δύο· ἐπὶ δὲ τῶν γερόντων τὸ φλέγμα πληθύνεται, ἕως ἐτῶν ὀγδοήκοντα. Καὶ τὰ μὲν παιδία ἐκ τοῦ αἵματός εἰσι θερμὰ καὶ ὑγρά· οἱ δὲ νεανίσκοι ἐκ τῆς ξανθῆς χολῆς, θερμοὶ καὶ ξηροί· οἱ δὲ τέλειοι τῇ ἡλικίᾳ ἀπὸ τῆς μελαίνης χολῆς εἰσὶ ψυχροὶ καὶ ξηροί· οἱ δὲ γέροντες, ἐκ τοῦ φλέγματος εἰσὶ ψυχροὶ καὶ ὑγροί.
English
Letter of the most blessed and most philosophical lord John, presbyter of Damascus, sent to someone. What is man? Man is a rational mortal animal, capable of receiving mind and knowledge. He is composed of four elements, namely blood, phlegm, yellow bile, and black bile. And blood is in the heart, and in the heart is the spirit; yellow bile is in the liver and in the stomach; black bile is in the spleen and in the loin; phlegm is in the brain and in the marrow. And those who are of pure blood are always rejoicing and playing and laughing, and they are blooming and fair-complexioned; those who are of yellow bile are quick and bold, irascible and bitter and of different complexion; those who are of black bile are sluggish and faint-hearted, fond of sickness and lazy and cowardly; those who are of phlegm are sorrowful and also cold, forgetful and absent-minded, sleeping much, and pale-complexioned. And in childhood blood predominates up to fourteen years; in youth yellow bile predominates up to twenty-eight years; in mature age black bile predominates up to forty-two years; in old age phlegm predominates up to eighty years. And children from blood are hot and moist; youths from yellow bile are hot and dry; those of mature age from black bile are cold and dry; old men from phlegm are cold and moist.
khazarzar-john-of-damascus-quid-est-homo:2 · narrativehigh
Source
Ὁ δὲ κρόταφος οὖν τῆς κεφαλῆς ἐστὶν ὁ ἡγεμὼν τοῦ σώματος· καὶ ὅσον ὁ ἐγκέφαλος εὐκατασταθείη καὶ ὑγιαίνοι, καὶ ὅλα τὰ μέλη τοῦ σώματος μετ' εἰρήνης εἰσίν· ἡ δύναμις δὲ καὶ ἡ φρόνησις ἐκ τοῦ ἥπατος ἀναπέμπεται τῷ ἐγκεφάλῳ, καὶ αὐτὴ ἡ ψυχὴ ἐκεῖ ἐστιν, καὶ ὁ βυθὸς τῶν νοημάτων. Ἔχει δὲ ἡ κεφαλὴ ῥαφὰς πέντε· ἔστι δὲ καὶ κεφαλὴ μονόῤῥαφος, καὶ ἔστιν αὐτὴ πάντοτε ὑγιής. Ὁ δὲ ἐγκέφαλος ἔχει μήνιγγας τρεῖς· ὁ μὲν πρῶτος ὑποζωματίας· ὁ δὲ δεύτερος, χαρακοειδής· ὁ δὲ τρίτος, τοειδής. Τοῦ δὲ ἐγκεφάλου εἰσὶ μέρη τρία· ὁ μὲν εἷς, κυρεβοειδής· ὁ δεύτερος, ὁ θίτος, καὶ ὁ τρίτος νοερός. Ἔστι δὲ οὐσία θερμώδης. Διαφέρει δὲ τοῦ μυελοῦ ὁ ἐγκέφαλος καὶ ἀνελυπεὶς καὶ ἀναίματος, ὁ δὲ μυελὸς, ῥυπαρὸς καὶ αἱματώδης. Τὸ σῶμα τοῦ ἀνθρώπου ἐκ τεσσάρων στοιχείων συνίσταται, ἐπειδὴ ἔχει ἐν ἑαυτῷ αἷμα, φλέγμα, χολὴν ξανθὴν, καὶ χολὴν μέλαιναν. Ἕκαστον δὲ τούτων τὸν ἴδιον τόπον δημιουργεῖ· τὸ αἷμα εἰς τὸ δεξιὸν μέρος ἐπάνω τοῦ ἥπατος· ἡ χολὴ ἡ ξανθὴ εἰς τὸ ἀριστερὸν μέρος ἐπάνω τῆς σπλήνης· ἡ δὲ χολὴ ἡ μελαίνη εἰς τὰς ψόας ἐπάνω τῶν νεφρῶν· τὸ δὲ φλέγμα εἰς τὸ στῆθος ἐπάνω τοῦ πνεύματος. Καὶ τὸ μὲν αἷμα ἐστὶ θερμὸν καὶ ὑγρὸν καὶ γλυκύ· χολὴ ἡ ξανθὴ ἐστὶ θερμή
English
The temple of the head is the leader of the body; and as long as the brain is well-ordered and healthy, all the limbs of the body are at peace. Power and prudence are sent up from the liver to the brain, and the soul itself is there, and the depth of thoughts. The head has five sutures; there is also a head with a single suture, and this is always healthy. The brain has three meninges: the first is the subvertebral, the second is the fence-like, and the third is the wall-like. The brain has three parts: the first is the cone-like, the second is the sieve-like, and the third is the intellectual. It is a warm substance. The brain differs from the marrow, being smooth and bloodless, while the marrow is coarse and bloody. The body of man is composed of four elements, since it has in itself blood, phlegm, yellow bile, and black bile. Each of these creates its own place: blood in the right part above the liver; yellow bile in the left part above the spleen; black bile in the loins above the kidneys; phlegm in the chest above the breath. And blood is hot and moist and sweet; yellow bile is hot
Citation. Tergwame, “Quid est homo”, khazarzar-john-of-damascus-quid-est-homo:1, machine-draft, 2026. https://naxiai.com/christian/works/khazarzar-john-of-damascus-quid-est-homo#s1
Colophon. Source: khazarzar · licence: Migne PG text (public domain); khazarzar host and the digitising project state no licence for this layer · model: deepseek/deepseek-v4-flash:floor · provider: Relace · cost: $0.0016 · generated 2026-11-15.