E.g. , you came at 4 o'clock afternoon. So rise from 3 o'clock, I begin to feel happy. Time draws near more, I feel happy more. Arrived at 4 o'clock when, I meet feel restless: I can discover happy cost.
比如说，你下午四点钟来。那么从三点钟起，我就开始感到幸福。时间越临近，我就越感到幸福。到了四点钟的时候，我就会坐立不安：我就会发现幸福的代价。
机械和节省劳力的装置只有在降低制造成本时才具有价值。
In the realm of computational learning, the key is not just to learn, but to learn efficiently.
如果你不进化，你就在落后。
除非我们完全接受自己的现状，否则我们无法改变，无法摆脱现在的自己。
The mining industry must evolve to meet the demands of a changing world.
"The beauty of life is in its unpredictability; it's what makes it worth living."