This entry explains idiom “Jun zi zhi jiao dan ru shui”, from both Liji and Zhuangzi. It means noble‑character people’s sincere, value‑based friendship is plain yet enduring, unlike interest‑driven fleeting bonds.
This Zhuangzi ‑ Shan Mu (The Mountain Tree) chapter explores the usefulness‑uselessness paradox. It includes famous tales like the empty‑boat metaphor and mantis‑cicada‑oriole, urging adaptive, ego‑free living aligned with the Dao.