Qinghua was first established as a preparatory school in 1911. In 1928, it became a university. In 1929, my father joined Qinghua as a professor, so that was also the year that I moved to that campus because my father brought the whole family along.

I was later to receive an excellent first two years' graduate education in the same University and then again was able to pursue my studies in the U.S. on a fellowship from the aforementioned fund.

A graduate student who is still learning courses is not really taking a maximum advantage of a research university's offerings. He should already be finished with course-taking, as he would then be able to shape his own taste about what is a good subject for research work in the graduate school.

The application of group theory to physics became one of the main branches of physics that I specialized in.

The question was heatedly debated of how much Western culture should be brought into China.

In the latter half of the last century the impact of the expanding influence of Western culture and economic system brought about in China a severe conflict.