μεγάλα ὠφελήσεσθε πρὸς ἱστορίαν τῶν κοινῶν → that will be of great benefit to you in order to understand public affairs
(see also ἐξοτρύνω): incite, cheer on, urge on
excitare, to arouse, excite, 1.84.2, [vulgo commonly ἐποτρυνόντων] 1.90.1.
