These volumes became the vade mecum for modern British historians and political scientists.

这些合订本成了现代英国历史学家和政治学家的手册。

When that shall vade, my verse distills your truth.

我笔下的诗歌却会提炼出你的真。

When that shall vade, by verse distills your truth.

当韶华雕谢，诗提取你的纯精。