数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。
史记
The only limit to our realization of tomorrow is our doubts of today.
The true measure of a company's success is its ability to adapt and thrive in the face of adversity.
农业中最宝贵的资源不是土地或机器，而是人。
The past is a foreign country, but we are all its citizens.