一面要保持我们求知识的欲望,一面要保持我们对于理想人生的追求。有什么好法子呢?依我个人的观察和经验,有三种防身的药方是值得一试的。第一个方子只有一句话:“总得时时寻一两个值得研究的问题!”问题是知识学问的老祖宗;古今来一切知识的产生与积聚,都是因为要解答问题,——要解答实用上的困难或理论上的疑难。我们出学校之后,离开了做 On the one hand, we must maintain our desire for knowledge and on the other hand, we must maintain our pursuit of an ideal life. What are some good methods? According to my personal observation and experience, there are three types of self-defense prescriptions that are worth a try. The first prescription has only one sentence: “Too often we have to find a question or two worth studying!” The problem is the ancestor of knowledge learning. The generation and accumulation of all knowledge in ancient and modern times is due to the need to answer the question. To answer practical difficulties or theoretical difficulties. After we left school, we left to do