足球是由粗人玩的绅士游戏，而橄榄球是由绅士玩的粗人游戏。

The challenge is to make the invisible visible.

Complexity is not just about the number of components in a system, but about the nature of their interactions.

荒野是一个美丽而危险的地方。要生存，你必须尊重两者。