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Everyone wants a better life: very few of us want to be better people.
To love is to risk everything, but to not love is to risk even more.
世界可能是卑鄙的,但人们不必如此,如果他们拒绝的话。
The joy of mathematics comes from the struggle to understand.
The coal industry must unswervingly follow the path of safe, efficient, clean, and low-carbon development.