The text explores the fundamental relationship between a philosopher and other thinkers, emphasizing the process of forming one's own philosophical position. The author argues that a philosopher constructs their identity by defining themselves against others, which necessitates a selective approach to studying texts. A crucial distinction is made between the primary philosopher and the secondary thinker or interpreter. While an expert may possess extensive knowledge of other people's works, a true philosopher must prioritize the lifelong development of their own original and unique philosophy. This personal philosophy serves as the trunk from which ideas grow, distinguishing it from the mere adoption or objectification of external concepts. Truly original thoughts may resemble those of others, but they emerge from unique roots rather than being mere grafts. Without this creative independence, thought remains derivative and fails to achieve the status of a living philosophy. Ultimately, genuine philosophy is seen as a unique, non-derivative expression of an individual thinker's own intellectual journey and original roots.