理论物理对于实验物理学家，就像和声理论对于作曲家一样。

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?

Most overnight successes — in fact any significant successes — take at least 5 years. Budget your life accordingly.

艺术不是关于答案，而是关于问题。

林业实践的创新是平衡经济增长和环境保护的关键。