"Knowing while walking" is an educational concept, which mainly describes the truth that should be familiar in the journey of learning knowledge. It emphasizes the organic combination of book knowledge learning and practical activities, and combines theory with practice.

Specifically, the word "harmony and knowledge" in "harmony and knowledge" means that in the process of learning, we can't just stay in the acquisition of book knowledge, but also need to understand and apply this knowledge through practice. "Knowledge" means that in the process of learning knowledge, we should not blindly acquire it, but have a deep understanding and understanding of what we have learned in order to truly master and use it.

This educational concept emphasizes the combination of learning and practice, which verifies and deepens the understanding of knowledge and exercises one's ability and skills through practice. This educational concept can help learners better understand and master knowledge and improve their comprehensive quality.