Because he had to go to court, he diligently researched American common law. Even when he was back in Taiwan, he would visit the library. He says that the Central Library in Taipei has very comprehensive information on American law.
因為必須上法庭，他專心研究美國民法，連回台灣時也勤跑圖書館，他說中央圖書館就有很完整的美國民法資料。