"Courage doesn't always roar. Sometimes courage is the quiet voice at the end of the day saying 'I will try again tomorrow.'"

"We don't take ourselves too seriously, we just have fun."

The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.

Innovation is not just about technology; it's about changing mindsets and embracing new ways of thinking.

喜剧是让人笑而不让人呕吐的艺术。

活着就是不断被人性所惊讶。

真相是，我们都在等待别人告诉我们自己是谁。

在探索宇宙的过程中，每一个被解答的问题都会引出更多的问题。