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The natural price of labor is that price which is necessary to enable the laborers, one with another, to subsist and to perpetuate their race, without either increase or diminution.

未來是自己開拓的。

To write poetry after Auschwitz is barbaric.

All men are created equal.

The best time to plant a tree was 20 years ago. The second best time is now.

在采礦業(yè)，安全不僅僅是一個優(yōu)先事項 - 它是我們所做一切的基礎(chǔ)。