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The mind is a machine that can be understood through the principles of computation.
I believe that we should all strive to be kind and compassionate towards others.
"Sometimes the smallest things take up the most room in your heart."
口是伤人斧,言语锐如刀,语言的力量巨大,学会好好说话。  
一个问题如果在计算机上可以快速解决,那么它属于P类问题;如果一个解可以快速验证,那么它属于NP类问题。