Schopenhauer on the True and False Philosopher

A man becomes a philosopher by reason of a certain perplexity, from which he seeks to free himself. This is Plato's , which he calls a But what distinguishes the false philosopher from the true is this : the perplexity of the latter arises from the contemplation of the world itself, while that of the former results from some book,

some system of philosophy which is before him.