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学者学习古人,开始时接触到的是粗浅的内容,中期接触到精华,最终领悟到其神妙变化。
对我们森林的最大威胁不是斧头,而是冷漠。
Sustainability is no longer an option; it's a responsibility we owe to future generations.
每一本书都是一次旅程,每一次旅程都是一本书。
The process of grouping, of organization, is not arbitrary but follows definite laws.
The deeper you go, the more you find yourself.