In the Sui and Tang Dynasties, doing business was a direct profit-making activity. Although the traditional concept of despising business began to change, the policies and concepts of discrimination against and suppression of business activities were still widely disseminated. At that time, most businessmen had the right understanding about honesty and the profits, and insisted on making profits in a fair and honest way. At the same time,the businessmen generally acknowledged that they should work diligently and patiently, o...