释义：与敌人交战之前，必须仔细分析和了解敌人的情况，然后才能制定作战计划和出兵，以确保行动的成功。

The tears of the world are a constant quantity. For each one who begins to weep, somewhere else another stops. The same is true of the laugh.

科学研究要解决实际问题，不能只停留在论文上。

我试图以感恩和感激的心态生活，对我所得到的机会心存感激。

Learning is any change in a system that produces a more or less permanent change in its capacity for adapting to its environment.

我试图创造像变色龙一样的建筑，随环境而变化。

I can't say I'm outraged. Other people are even more outraged than me. They feel that I am too dismissive of the honors that they value.