这是杨振宁在出席“第三届全球华人物理学大会”时提出的。他说，中国传统注重教育及伦理关系，有助青年的全面学习及发展，中国的年轻人不应只顾学习外国新科技而忘掉中国传统。但中国青年一般胆子较小、不敢挑战，应该学习西方勇于挑战权威的风气，才不致于阻碍科学上的成就 This is when Yang Zhenning attended the “Third Global Chinese Physics Conference.” He said that the Chinese tradition pays great attention to education and ethical relations and will help young people to learn and develop in an all-round way. Young people in China should not forget to learn Chinese new technologies just by learning new foreign technologies. However, young Chinese are generally less courageous and afraid to challenge. They should learn from the courage to challenge the authority of the West in order to prevent scientific achievements