Reasonableness is the first thing an underground worker should consider, as Comrade "Zhu Lin" instructed and Cheng Qianfan always kept in mind.,“You need to learn to use your brain. All this fighting and killing won't get you anywhere.” Wang Kangnian said with a laugh.,"I'll just follow the team leader," Ding Naifei said, not angry at all. He lit a cigarette and took a long drag, looking pleased.。