采矿业必须发展以满足不断变化的世界的需求，否则将被淘汰。
成功没有捷径，只有脚踏实地。
Don't be afraid of failure, because every failure is practice for success.
我很少解释，不回应，但我知道自己在做什么。
The dead are the most persistent historians.
The stock market is filled with individuals who know the price of everything, but the value of nothing.
Every mental state exists for a purpose; to understand it, we must ask what function it serves in the broader system of behavior.