后见之明对历史学家乃至回忆录作者非常有用,但遗憾的是,实践中的政治家却无法拥有。
The wisdom of hindsight, so useful to historians and indeed to authors of memoirs, is sadly denied to practising politicians.
You can't change the past, but you can shape the future.
我不知道极限在哪里,但我想去那里。
用扭曲的人性之材,造不出完全笔直的东西。
In mathematics, there are no shortcuts.