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The essence of mathematics lies in its power to reveal patterns and symmetries.
The darkness within us is what makes us human. Acknowledging it is the first step towards true strength.
能源的真实成本必须同时考虑其生产和遗留影响。
信念不是被动等待,而是主动的想象和感受。
成功不在于你赚了多少钱,而在于你对人们生活带来的改变。