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The study of mathematics is the indispensable basis for all intellectual and spiritual progress.

The story itself is the protagonist, rather than the story of the people.

史記

The soul is ever in motion； it loves and desires everything.

Sustainability isn't an option; it's our responsibility to the next generation.

譯文：用鏡子照自己可以看見形體容貌，用心性照自己，可以遇見禍福吉兇。賞析：以銅為鏡可以正衣冠，以心為鏡可以知吉兇。我們要努力提高自己的文化修養，砥礪自己的品格，與人為善，人生就會少很多禍患和不祥。