Freedom of speech is the great bulwark of liberty; they prosper and die together.
言论自由是自由的重要堡垒；它们共同繁荣和共同消亡。
当我们意识到怪物就在我们内心时，就不再在床下寻找它们了。
The roads are full of crowds going somewhere, but nobody knows where they are going.
Education is the most powerful weapon which you can use to change the world.
研究量子引力对于理解早期宇宙至关重要。
风险管理不是关于避免风险，而是关于理解和管理风险。