Classification (n.) is a human invention: the natural world is not handed to us in cans with labels, and "what is it?" only asks "what class?"
Classification (n.) begins long before language, the moment we notice differences and make associations at all.
Classification (n.) splits the world into inside and outside — and what it represses is that the two go together and cannot do without each other.
Classification (n.) is never truer one way than another: whether to sort rabbits by their meat or their fur depends on what you want to do with them.
Classification (n.) is civilized man's only way of understanding: whatever has no label, number or certificate is irregular, unpredictable and dangerous.