Listen again to part of the lecture, then answer the question.
再听一遍这个演讲中的一小节，然后回答问题。
But why? Why do workers and soldiers have to learn self-control?
但是为什么呢？为什么工人和士兵得学会自控？
Well, how can a society flourish if the workers and soldiers don't control their desires and emotions?
如果工人和士兵不学会控制他们的欲望和情感社会怎么能繁荣？
Why does the professor ask this:
教授为什么这么问：
Well, how can a society flourish if the workers and soldiers don't control their desires and emotions?
如果工人和士兵不学会控制他们的欲望和情感社会怎么能繁荣？