The tragedy of great power politics is that even well-intentioned states are forced to act in ways that can lead to conflict and war.

世界充满了神奇的东西，它们在耐心地等待我们变得更有智慧。

Sustainability isn't a buzzword—it's a commitment to future generations.

The eagle never lost so much time as when he submitted to learn of the crow.

The key to progress is persistence and curiosity.