而是根据国家的具体情况，去掉那些无益于实用的东西，这就足够使国家的财利增加一倍了。 

别错过机会，人生比你想象中的要短。

【释义】：早晨能发现昨夜的错误，今日能悔改昨日的过失。  

Friends can come and go, but banners hang forever.

The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.

宇宙学家经常犯错，但从不怀疑。

The most sustainable aquaculture operations are those that mimic nature.