I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones。

What you don't do determines what you can do.

The true poet is one who can capture the essence of a moment in a single word, and who can express the inexpressible in a single line.

翻译：事物的增减盈亏，都是随时间的变化而变化的。

司马牛忧伤地说：“别人都有兄弟，唯独我没有。”子夏说：“我听说过：‘死生有命，富贵在天’。君子敬业而不犯错误，对人恭敬而有礼。四海之内，皆兄弟。君子担心什么没有兄弟？”