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。” 
检验一个假设的唯一方法是寻找所有反对该假设的信息。
在旧制度下,努力工作意味着长时间工作、很少休息和低工资。在新制度下,它意味着公平的工作换取公平的报酬。
In times of change, the learners inherit the earth, while the learned find themselves beautifully equipped to deal with a world that no longer exists.《Steel and Strategy》
The advancement of mathematics is through the continuous questioning of established truths.