The stories of our people are the stories of the land, and they are one and the same.

The anarchic nature of the international system means that states must rely on self-help to ensure their survival.

Never underestimate the power of simplicity in design and execution.

"Happiness is not something ready made. It comes from your own actions."

量子力学不仅是关于原子的理论，更是关于整个自然的理论。