虚空与实体同样重要。
The void is as important as the solid.
历史不仅仅是过去的故事,它也是现在的镜子和未来的窗口。
模型的好坏取决于其假设。
I was so much older then, I’m younger than that now.
A ship in port is safe, but that's not what ships are built for.