在理论物理学中，近似的艺术往往比精确解更重要。

Why is it that when one man builds a wall, the next man immediately needs to know what's on the other side?

We all complete. Maybe none of us really understand what we’ve lived through, or feel we’ve had enough time.

译文：如果遇到早开的梅花，应该折下一枝寄过来。

我们都是自己选择的囚徒，但也是自己自由的设计师。