以战争建立的帝国必须通过战争来维护自身。
An empire founded by war has to maintain itself by war.
地球并非刚体,其对力的响应必须被视为弹性体。
A person may cause evil to others not only by his actions but by his inaction, and in either case, he is justly accountable to them for the injury.
The past is a foreign country; they do things differently there.