In experimental physics, reverberation produces echo and thus makes undesirable sound. An echo is a sound reflected off of a surface. In a big hall, it interferes with the actual sound. It gives confusion when people are having a conversation.
Henry david thoreau believe that american social institutions and policies, most prominently slavery and the mexican american war. within him believe that people first obligation is to do what they believing and not to follow the law dictated by the majority. if the goverment is running unjust, people should refuse to follow the law and make a distance from the goverment in general.
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For the second paragraph it might be it was translated to egypt over 2000 years ago