ἀνδρὸς σπλάγχνον ἐκμαθεῖν → learn a man's heart, learn a man's inward nature
prōmissor: ōris, m. id.,I a promiser, esp. who promises great things (very rare), Hor A. P 138; Quint. 1, 5, 6 Zumpt.
