我们了解到改变对成长是必要的。

登上梯子顶端的唯一方法就是一步一步往上爬。

最大的危险是冷漠。

Representation of the world, like the world itself, is the work of men; they describe it from their own point of view, which they confuse with the absolute truth.

无人机的应用将无处不在。