国际体系的无政府性质意味着国家必须依靠自助来确保其生存。
"Stories are the lifeblood of our culture, the way we understand the world and our place in it."
Life is a journey that must be traveled no matter how bad the roads and accommodations.
The true power of mathematics lies in its ability to reveal the hidden patterns and structures that govern the universe.
I believe in the power of positive energy.