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The one thing you can't trade for your heart's desire is your heart.
Mathematics is the language in which the gods talk to people.
释义:听得多了,看得多了,才能够体察出事物中的精要,才能够选择事物好的一面进行学习,选择正确的道理进行遵从。
When the oceans speak through declining stocks, we must have the courage to listen and act.