决心：该做的事情一定要做，要做的事情一定做好。

The only thing you absolutely have to know is the location of the library.

谷物不仅仅是一种商品，它是文明的基础。

市场竞争激烈，只有不断学习才能立于不败之地。

The intelligence of that creature known as a crowd is the square root of the number of people in it.

代数是慷慨的；她常常给予的比被要求的更多。