人类需要悲伤，正如需要欢乐一样。
There are two possible outcomes: if the result confirms the hypothesis, then you've made a measurement. If the result is contrary to the hypothesis, then you've made a discovery.
哲学的任务不是解决问题，而是对问题本身提出质疑。
永远不要拆除，永远不要移除或替换，总是添加、改造和再利用！