The most important part of teaching is to teach what it is to know.
"Writing is a way of thinking, a way of understanding the world."
在数学中,就像在生活中一样,最深刻的发现往往来自于提出最简单的问题。
释义:事情已经到了非常急迫的地步,需要立即采取行动来应对,而顾不上其他长远或次要的事情。比喻事情急迫,先行救急。