What is the source of cultural development and innovation?

The source of cultural development and innovation is the social practice of the broad masses of the people.

Practice is the basis of understanding, and practice is the source of understanding. Practice, as an activity that transforms the objective world, is a purposeful and conscious social activity. In the practice of transforming nature and society, humans create unique spiritual and cultural achievements. Without practice, culture will become water without a source. , without roots, people cannot carry out valuable cultural innovation and creation.