Jacob Bronowski Quote

It is not obviously silly to classify flowers by their colors; after all, the bluer flowers do tend to be associated with the colder climates and greater heights. There is nothing wrong with the system in advance. It simply does not work as conveniently and as instructively as Linnaeus's classification by family likenesses.

The Common Sense of Science - Chapter IV, Section 4 (p. 48), Harvard University Press. 1953