【释义】贫穷之人因生活简朴，少欲知足，反而往往长寿；富人奢靡，有余之处过度挥霍，导致折损寿命。这是天道自然调节，有余者削减，不足者得到补益。

Risk management in mining isn't about eliminating all risks - that's impossible - but about understanding and mitigating them intelligently.

Business is about solving problems, not just making money.

所以,储备是国家最重要的事；粮食是国家的宝物；武器是国家的利爪；城池是守卫国家的屏障。