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.

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.

As I stand here today and tell you about these, I am heavy with an awareness of the fact that I am in more than one sense a product of both the Chinese and Western cultures, in harmony and in conflict.

The law of right-left symmetry was used in classical physics but was not of any great practical importance there. One reason for this derives from the fact that right-left symmetry is a discrete symmetry, unlike rotational symmetry, which is continuous.