有些时候,过去感觉如此之近,仿佛伸手就能触碰,然后它又消失了,像烟一样。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
尝试过,失败过。没关系,再尝试。再失败,失败也是一种进步!