Household Affairs to find Xu Changqing."Liu Sichun bowed to Xu Changqing and politely said, "In the future, please take care of me more, Mr. Xu."Xu Changqing might not have a high opinion of merchant...from their youth. The lessons in their books, they knew by heart. It was easy to talk about these principles, but putting them into practice proved as difficult as reaching the heavens.""As for this s...