Society did not recognize philosophy or the right of philosophizing. There was no harmony between philosophy and society. The philosophers were very far from being exponents of society or of parties. They defended the interests of philosophy and of nothing else. In doing this, they believed indeed that they were defending the highest interests of mankind. The exoteric teaching was needed for protecting philosophy. It was the armor in which philosophy had to appear. It was needed for political reasons. It was the form in which philosophy became visible to the political community. It was the political aspect of philosophy. It was "political" philosophy.

Persecution and the Art of Writing (1952) - Introduction