"However independent of each other [philosophers] might feel themselves to be, with their critical or systematic wills, something inside of them drives them on, something leads them into a particular order, one after the other, and this something is precisely the innate systematicity and relationship of concepts. In fact, their thinking is not nearly as much a discovery as it is a recognition, remembrance, a returning and homecoming into a distant, primordial, total economy of the soul, from which each concept once grew: – to this extent, philosophizing is a type of atavism of the highest order."
..."Where there are linguistic affinities, then because of the common philosophy of grammar (I mean: due to the unconscious domination and direction through similar grammatical functions), it is obvious that everything lies ready from the very start for a similar development and sequence of philosophical systems..."