πάντες ἄνθρωποι τοῦ εἰδέναι ὀρέγονται φύσει → all men naturally desire knowledge
vēsīcŭla: ae, f. dim. id.,I a little blister, vesicle; containing air, Lucr. 6, 130; containing seeds, on plants, Cic. Div. 2, 14, 33.
