Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
节俭就会昌盛,放纵享乐就会灭亡。
孔子说:“花言巧语、满脸堆笑的人,很少有仁爱之心。”
在统计工作中,必须为正确的目的使用正确的数学工具。