The species and the genus are always the work of nature [i.e. specially created]; the variety mostly that of circumstance; the class and the order are the work of nature and art.
![The species and the genus are always the work of nature [i.e. specially created]; the variety mostly that of circumstance; the class and the order are the work of nature and art.](http://cdn.quoteddaily.com/images/carl-linnaeus/the-species-and-the-genus-are-always-the-work-of-nature-ie-specially-created-the-variety-mostly-that-of-circumstance.jpg)
The species and the genus are always the work of nature [i.e. specially created]; the variety mostly that of circumstance; the class and the order are the work of nature and art.