我认为对自己有幽默感，不要把自己看得太重要是很重要的。
I think it's important to have a sense of humor about yourself and not take yourself too seriously.
没有任何对象的存在是不容置疑的。
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome of the process of modernization.
在科学中，我们不仅找到答案，还找到更好的问题。