日月得天而能久照，四时变化而能久成，圣人久于其道而天下化成。
翻译：日月顺行天道而能永久照耀天下，四季往复变化而能永久生成万物，圣人永久保持
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
Without justice, courage is weak.
The only limits that exist are the ones you place on yourself.
统计学的最终目标是从数据中提取信息。
【释义】就像巍峨的大厦突然轰然倒塌，又像风中残烛昏惨惨地即将熄灭。
数字计算机背后的思想可以通过说这些机器旨在执行任何可以由人类计算机完成的操作来解释。
Literature is a memory, a look back at the past.