道德戒律是完美的戒律。

Success requires persistence, the ability to not give up in the face of failure, and to learn from that failure.

The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.

民主不是观众运动。

在采矿业，可持续性不仅仅是一个流行词，而是长期成功的必要条件。

我喜欢挑战自己，超越自己的极限。