文明是副产品

With unique insight, imaginary and exquisite textual research and bold inference, the writer reflects on the rise of civilization from the greatest inventions in early time such as: outbreeding, agriculture, writing, paper, woodblock printing techniques and movable-type printing. To a great extent, human civilization is the result of by-product, not of things meant for direct use. In fact, most things in the treasure house of human culture are useless. However, these things contain much more knowledge than useful things.