永远不要问一位女士是否怀孕了，需要时她会说出来。
Never ask a woman if she is pregnant. Let her tell you if she is.
实证研究中最重要的是要清楚你想要回答的问题。
That thing that made you weird as a kid could make you great as an adult — if you don’t lose it.
The mathematician does not study pure mathematics because it is useful; he studies it because he delights in it and he delights in it because it is beautiful.
La realidad es solo una de las infinitas posibilidades que nuestra imaginación puede concebir.
The past is always tense, the future perfect.