True progress happens when we stop optimizing for the past and start building for the future.
A mind needs books like a sword needs a whetstone.
皱纹应当只是微笑留下的印记。
儿童有自我保卫和平和追求完美的内在冲动。
"The scientist is not a person who gives the right answers, he's one who asks the right questions."
哭着送去,哭着回来,回来后要努力于衣食之物的生产,资助祭祀,并用来孝顺双亲。