智者因危而建安，明者矫失而成德。
译文：有智谋的人往往能在危难的情况下实现安定，明达之人往往能纠正过失从而成就美德。赏析：我们遇到任何事都要冷静，然后想办法解决问题，有错误和过失就要勇于纠正。
没有祖国的人，就像夜莺离开了绿林。
采矿业必须发展以满足不断变化的世界的需求。
When you are young spend at least 6 months to one year living as poor as you can， owning as little as you possibly can， eating beans and rice in a tiny room or tent， to experience what your “worst” lifestyle might be. That way any time you have to risk something in the future you won’t be afraid of the worst case scenario.