这帮助我们回答这些类似的问题如：我为什么需要为自己的历史考试认真学习？
It helps us answer such questions as, Why should I study for my history exam?
所以，我们不需要学习心理学的书本去知道为什么我们奋斗，重要的是去发现是否有头脑能从奋斗中完全解脱出来。
So we don't have to study psychological books to know why we struggle; and what is important, surely, is to find out if the mind can be totally free of struggle.
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