妈妈,你怎么那么爱笑? / 因为妈妈生了你呀。
当你为爱情而钓鱼时,要用你的心当作饵,而不是用你的脑筋。
The Langlands conjectures suggest that there is a hidden harmony between different areas of mathematics.
与饥饿的斗争是为正义而战。