Original Chinese text. The navigation is in English; this edition does not include an English translation. Read it as historical and cultural material, not as a factual prediction or professional advice.

第七章

天长地久。天地所以能长且久者，以其不自生，故能长生。是以圣人后其身而身先，外其身而身存。非以其无私邪？故能成其私。