Cicero's Tusculan Disputations Also, Treatises On The Nature Of The Gods, And On The Commonwealth

instead of amusing themselves with idle sports or feasts, their diversions were wholly speculative, tending to improve the mind and enlarge the understanding.

他们的消遣不是无聊的游戏或宴会，而是纯粹的思辨，致力于提升心智、拓展理解。

the fifth explains the sufficiency of virtue to make men happy.”

第五卷阐释了德性足以使人幸福。