Submitted by poseidonf10 on April 22, 2008
There are two main channels for people to learn knowledge –from books and from experience. Generally, knowledge gained from books is theoretical, that gained from experience is practical. It is difficult to answer which is more important to we people. It depends on the phases and events of our learning. Knowledge learned from books is instructive, which perhaps cannot learn directly from experience. We often hear thunders and see lightning in the sky, and we can easily find that lightning will be seen sooner than sound will be heard. According to our experience alone, we cannot tell why it had happened. But when we learn some physics in textbooks, we will find the answer clearly that...
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