The Book of Rites says: "The new is the new, and the change is the new", while Ji Cheng says: "A gentleman's learning must be new, and the new will advance", emphasizing the truth of making progress every day. Yang Xiong said: "If you listen more, you will keep your word; if you read more, you will keep your word." This paper expounds the relationship between erudition and infinity, erudition and precision. In the rapidly developing contemporary society, one should not only have extensive general knowledge, but also be proficient in a specific field to adapt to the trend of increasingly detailed division of labor and frequent changes in jobs. Without the spirit of making progress every day, extensive professional foundation and preparation for lifelong learning, one will fall behind. The words "keep pace with the times" and "keep pace with the times" not only inherit the Chinese nation's spirit of self-improvement and the tradition of educating people with common progress, but also deeply meet the requirements of contemporary knowledge economy for high-quality talents and the development trend of building a learning society, show the spirit of the times of our party and embody the perfect combination of national excellent traditions, modern educational concepts and advanced spirit of the times.