In the novel "Ender's Game" by Orson Scott Card, a central theme revolves around the complexities of teaching and knowledge transmission. The quote, "I taught you everything you know. But I didn't teach you everything I know," highlights the notion that while mentors impart fundamental skills and knowledge to their students, there remains a vast reservoir of understanding that is often kept hidden. This reflects a common dynamic in teacher-student relationships, where the mentor withholds certain insights for reasons that may be strategic or protective.

This quote emphasizes the importance of critical thinking and the ability to develop one's knowledge beyond the information given. It suggests that learning is not merely about acquiring facts but also about discovering the deeper implications and wisdom that come from experience. In "Ender's Game," this idea is pivotal as Ender Wiggin navigates complex challenges that require him to leverage not only what he learned but also to think beyond those limits, ultimately shaping him into a unique leader.