Leadership in mining means making tough decisions for long-term benefits.

The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.

A 'performative' utterance is not true or false， but happy or unhappy.

领导力在于做出今天艰难的决定，这些决定将为子孙后代带来益处。

解释：将自己的利益给了别人，别人也将会把实惠返回给自己；将自己的怨恨发泄给别人，祸害也将会降临到自己身上。

数学的美在于它能够用一种既精确又普遍的语言来描述宇宙。