"To be hopeful in bad times is not just foolishly romantic. It is based on the fact that human history is a history not only of cruelty, but also of compassion, sacrifice, courage, kindness."

外交并不是被动地适应变化，而是积极主动地塑造变化。

"Science is not just a profession; it's a passion that drives us to explore the unknown."

终结临近，但启示录长存。