As you know, Bergson pointed out that there is no such thing as disorder but rather two sorts of order, geometric and living. Mine is clearly living.… - Jean Piaget

Every psychological explanation comes sooner or later to lean either on biology or on logic (or on sociology, but this in turn leads to the same alternatives).

"Most instincts are allied to specialized organs, it is true, but it is nonetheless true that perception and acquired behavior, including the higher types of operative intelligence, do, in a more supple way, manifest certain functional possibilities or "reaction norms" of the anatomical and physiological structure of the species. In a word, the general coordinations of action upon which the building up of most basic types of knowledge is conditional, presuppose not only nervous coordinations but coordinations of a much more deep-seated kind, those which are, in fact, interactions dominating the entire morphogenesis."

For someone who constantly comes across this problem in the course of his professional activities, the question whether philosophy has the status of a “wisdom” or of a form of “knowledge” peculiar to itself is no longer an unnecessary or simply a theoretical problem; it is a vital question, since it affects the success or failure of thousands of scholars.