He walked carefully among the plants, as if he were walking among wild animals or poisonous snakes.

VOA: special.2009.05.23

"For we assert," he says, "nature does nothing in vain and man alone " among the animals has speech.

他说，“因为我们主张自然演变并不无道理,而人类独立于其它动物之外,是因为我们有辩论能力。

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