What is "science"? He believes that science is about knowledge of nature; this knowledge has three parts: one is the observed object; the other is light, which is the necessary attention; the third is the inner perception of the eyes, that is, the perception of the soul . Thus he put forward the scientific pedagogy must include the following three steps:
The first step is to present things to students; "Everything should be as sensible as possible, to the extent possible."
The second step. Inspire Students Note: "With Attention ... you can understand everything that's in front of you." https://www.journalfirst.org/experience-describing-pedagogy-from-comenius-to-herbart.html