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The diversity of the phenomena of nature is so great, and the treasures hidden in the heavens so rich, precisely in order that the human mind shall never be lacking in fresh nourishment.
大自然现象的多样性是如此之大，蕴藏在天空中的宝藏是如此之丰富，正是为了使人类的心灵永远不缺乏新鲜的营养。