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系统生产需求的速度比满足需求的速度更快,因此它自我延续。
If there was less sympathy in the world there would be less trouble in the world.
The mind is a dynamic system of interrelated processes.
Happiness is secured through virtue; it is a good attained by man's own will.
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。