What is the origin of the idiom "put one's house in order" and when to use it?

The idiom "Put one's house in order" is originated from the Bible, specifically in the book of Isaiah. The phrase is used to mean the need to organize or improve one's affairs, often in a personal or private context. It can be used in various situations, such as when an individual needs to make important decisions, establish priorities, or take care of unfinished business.