The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.

The most important relationship is the one you have with yourself.

伟大来自于坚持和努力。

To stay ahead, you must constantly adapt and evolve.

手会记住头脑忘记的东西。

研究古DNA就是与逝者对话。

如果你不前进，就是在落后。

Human capital is the most important asset any country has.