You may have to fight a battle more than once to win it.

A tannery's waste stream tells the story of its ethics more clearly than any mission statement.

出自汉·桓宽《盐铁论·刺复》。做大事的人要有耐心，没耐心就会乱了方寸，误了大事；做小事的人不能有怠慢轻忽之心，否则事情就做不成。前句之意是说，做大事（如治国安邦）要有足够的耐心，不能有浮躁之气，不然思虑不周，定会坏了大事。

PID控制器是控制工程师的通用工具，适用于各种各样的过程。

We must listen to our consumers, but also educate them about the realities of dairy production.

The most effective leaders are those who lead by example.

Get rich or die tryin'.

我曾想成为月亮上的人，这样我就能独处，也能与所有人同在。

Theorems are the permanent literature of mathematics.

我们今天开采的石头将塑造明天的景观。