[...] there is no possible evolution in a totalitarian society. Terror does not evolve except toward a worse terror, the scaffold does not become any more liberal, the gallows are not tolerant. Nowhere in the world has there been a party or a man with absolute power who did not use it absolutely.
The first thing to define totalitarian society, whether of the Right or of the Left, is the single party, and the single party has no reason to destroy itself. This is why the only society capable of evolution and liberalization, the only one that deserves both our critical and our active support is the society that involves a plurality of parties as a part of its structure. It alone allows one to denounce, hence to correct, injustice and crime. [...]
in an essay denouncing Kadar's Hungary (written 1957, so soon after the revolution)