The Problem with Professors

This is brilliant - Schopenhauer in 'On Philosophy at the Universities':

In the first place, we now find that very few philosophers have ever been professors of philosophy, and even relatively fewer professors of philosophy have been philosophers. Therefore it might be said that, just as idio-electrical bodies are non-conductors of electricity, so philosophers are not professors of philosophy. In fact this appointment, almost more than any other, obstructs the independent thinker. For the philoso