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The moment you recognize what is beautiful in this world, you stop being a slave.

The core of the energy revolution is cleanliness and efficiency, and the coal industry must actively adapt to this trend.

In individuals， insanity is rare；but in groups， parties， nations， and epochs， it is the rule.

如果一件事情對你很重要，即使成功的概率很小，你也應該去做。

"The most important thing is to never stop questioning."

The human soul needs actual beauty more than bread.

Mental processes are nature's way of solving life's problems.