If tolerance is taken to the point where it tolerates the destruction of those same principles that made tolerance possible in the first place, it becomes intolerable.
We owe to democracy, at least in part, the regime of discussion with which we live; we owe it to the principal modern liberties: those of thought, press and association. And the regime of free discussion is the only one which permits the ruling class to renew itself... which eliminates that class quasi-automatically when it no longer corresponds to the interests of the country.
