The classic sayings of the ancient sages are like the fruit of a big tree, for thousands of years, people in the world just picked the fruit and chewed it and enjoyed it, and told others the taste of it, but no one took its seed and planted it in the soil to cultivate a new towering tree. It has been too long for such a towering tree to grow in our land, and the fruits of the ancient sages have lost their umami taste in time and space thousands of years later, and we need new fruits to nourish and new classics to soothe the soul.