"At the same time that she [nature] solicits him [man] to follow her not only into her open walks, but likewise to explore her secret recesses, she - fails not to reward him with the purest gratifications of the mind, because at every step he takes, new instances of beauty, variety, and perfection are unfolded to his view."
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Source : "Elements of General Knowledge, Introductory to Useful Books in the Principal Branches of Literature and Science".