This entry explains the Chinese idiom 安不忘危(ān bù wàng wēi) originating from The Book of Changes. It urges vigilance against hidden risks amid safety, covering its philosophy, parallel idiom, modern‑day usage and matching English expressions.
Virtuous hermit Zhi Jun dwelled on Mount Qian and declined his friend Sima Qian’s letter urging him to serve. He foresaw political misfortune. Later Sima suffered castration for defending Li Ling, while Zhi preserved his integrity and died in seclusion, honored by locals.