The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.
在数学中,旅程与目的地同样重要。
In mining, efficiency and environmental care must go hand in hand.
无论我们去过哪里,都会在那里留下自己的一部分。
The most valuable resource in agriculture isn’t land or machinery—it’s people.