Be prepared for danger in times of peace: thinking about possible dangers in a comfortable environment. It means to be vigilant and prevent disasters.

Although I am in a safe environment, I also think about the possibility of danger. It means to be prepared for emergencies at any time.

Explanation: home: at; Thinking: thinking. Although I am in a safe environment, I also think about the possibility of danger. It means to be prepared for emergencies at any time.

From: Eleven Years of Zuo Zhuan's xianggong: "Be prepared for danger in times of peace."