Carl Linnaeus — "In natural science the principles of truth ought to be confirmed by observation."
In natural science the principles of truth ought to be confirmed by observation.
In natural science the principles of truth ought to be confirmed by observation.
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"The whole system of nature is nothing but a system of sexual generation."
"The first step in wisdom is to know the things themselves."
"I have not seen the genus Homo. I have seen many individuals."
"Man is the measure of all things, and the animals exist for his sake."
"I have been called the Prince of Botanists."
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