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The test of our progress is not whether we add more to the abundance of those who have much; it is whether we provide enough for those who have too little.
找到自己的最好方法是在为他人服务中迷失自己。
Power resides where men believe it resides. It's a trick, a shadow on the wall. 
一个好的学习算法应该能够有效地处理数据中的噪声和不确定性。
水太清澈就不会有鱼,人脾气太急就不会有智谋。