The art of leadership is saying no, not saying yes. It is very easy to say yes.
领导的艺术在于说不，而不是说是。说是很容易的。
每个故事都有潜力去激励、教育和娱乐。
In the quest for understanding the cosmos, we must embrace the unknown and the unknowable.
"I like the night. Without the dark, we'd never see the stars."
这是最好的时代，这是最坏的时代。