夏桀好商纣就是没有任用天下之贤士而遭到杀身之祸吗?所以说∶“赠送国宝,不如举荐贤能的人才。” 
数学中的每个问题都有解决方案;你只需要找到正确的路径。
Decision-making is not always a rational process; often, it is swayed by unconscious biases and emotional undercurrents.