learned fool; scholar who cannot apply what he or she knows; mere scholar

Lunyu, the Analects of Confucius (one of the Four Books (四書) of Confucianism)

cast pearls before swine

model, exemplar, epitome

(chiefly literary) truly; indeed; without doubt

academic major

specialize in, major in

philosophy

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend