糟糕战略最常见的来源是无法做出选择。

The duties of all public officers are, or at least admit of being made, so plain and simple that men of intelligence may readily qualify themselves for their performance.

Technology should serve both efficiency and ethics in mineral extraction.

历史不仅仅是关于事实，更是关于它们之间的阴影。

I have made a ceaseless effort not to ridicule， not to bewail， not to scorn human actions， but to understand them.