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The best moments in our lives are not the passive, receptive, relaxing times... The best moments usually occur if a person's body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.
真正的创新不是颠覆,而是解决实际问题。
每个单子都反映了整个宇宙的角度,但有不同的深度和清晰度。