Mathematics is the language in which the gods talk to people.
【译文】 孔子说:“年轻人值得敬佩,怎知后代不如今人?四五十岁还默默无闻的人,就没什么前程了。”
朋友相逢欢聚却不饮酒,连洞口的桃花也会笑话。
The most important thing is to enjoy what you do.