安不忘危

Explanation: In a safe when not forget the danger. Means always careful, vigilant. 　　Usage: The main predicate; as the predicate attribute; with neutral, when peace did not forget to describe distress 　　Source: "Under copulative Book": "a gentleman and did not forget safety risk, save and forget death, arbitrary rule and forget, but the state security body is also insurable." 　　Examples: Miss Ho is coming from inside the plight of the, now get to the body safety, security did not forget to danger, determined to fulfill from the people, stand fan career. (Qing, Culture and Sport "Heroic Biography" thirty-back) Thesaurus:  be vigilant in peace time, sharpen [heighten] one's vigilance, bend the chimney and remove the fuel to prevent a possible fire