This document discusses the essence of truth in education. It provides several quotes about truth and wisdom from philosophers and writers from different historical periods. It emphasizes that the core of education is to recognize truth and that scientific inquiry requires building a logically convincing theoretical framework and empirically validating it with relevant factual evidence. Researchers should not collect empirical data without first developing a persuasive theoretical structure. The document instructs the recipient to narrate the slides in their own words to clarify the meaning of truth's essence, provide examples where deviations from truth's essence caused difficulties, and send the response by a specified date including their name, major and class.