采矿的真正财富不仅在于开采的矿石，更在于我们提升的生活品质。
The true wealth of mining lies not just in the ore extracted, but in the lives we uplift.
I predict future happiness for Americans if they can prevent the government from wasting the labors of the people under the pretense of taking care of them.
What do we call visible light? We call it color. But the colors are only the names we give to the way light behaves when it hits something.