How to solve the problem of doing business facing south?

How to solve the problem of doing business from south to north, do it straight, whether it's sitting facing south or spring, summer, autumn and winter. I want to believe the following two sentences in ancient, rather than modern, Feng Shui books: "Sages' books, in which ghosts are hidden, can avoid and suppress all evil spirits". "The book of sages, can be prosperous wealth, change the house, prosperous wealth.