國際體系本質(zhì)上是競爭性的，國家不斷試圖互相超越。
The international system is inherently competitive, and states are constantly trying to outmaneuver each other.
所有的幸福都依賴于勇氣和工作。
實現(xiàn)長期成功的唯一方法是在社會中創(chuàng)造真正的價值。
You don’t have to have it all figured out to move forward. Just take the next step.
可持續(xù)性不是一種選擇，而是我們對后代的責任。
Every discovery opens the door to a thousand new questions.