People with a sense of fulfillment think it a good world and would like to conserve it as it is, while the frustrated favor radical change.

希望不是一种情绪，而是一种选择。

在采矿作业中，安全必须始终放在第一位。

痛苦的秘诀在于有空闲去烦恼自己是否幸福。

Success is built on a foundation of relentless effort and unwavering belief.

贫困和无知可能逐渐消失的希望，很大程度上源于十九世纪工人阶级的稳步进步。