The most significant threat to liberal democracy today is not from rival ideologies like communism or fascism, but from within—from the rise of populism and the erosion of democratic norms.

发现的喜悦是科学家们前进的动力。

专制制度就像地狱一样，并不容易战胜，但我们可以安慰的是：斗争越艰巨，胜利将越光荣。