The best weapon against an enemy is another enemy.

农业的效率不仅仅是产量的问题；它关乎资源管理。

The most important single aspect of software development is to be clear about what you are trying to build.

解释：比喻能很快地接受别人良好的建议。

只要现在能够停下来休息，那么就立刻停下来休息；如果要等到一切事情都办妥时再停下来，那么这样的时刻永远也不可能等到。