Fishermen are our foundation, and their interests must come first.

You just once young but may be immature indefinitely.

翻译：准备各种物资以充分利用，制成器具给天下带来利益，没有比圣人更伟大的了。

The method of psychology must be as precise as possible.

Humans, in their wish to escape loneliness, made maneuvers that were very complex and hard to fathom。