我们必须敢于梦想，并将这些梦想转化为现实。
The arithmetic of L-functions is a key to unlocking the secrets of the universe.
绘画是一种语言，和任何语言一样，它有自己的语法和句法。
You have to be willing to adapt, or you'll be left behind.
We have seen how the most amiable are at length worn down.