While I do not suggest that humanity will ever be able to dispense with its martyrs, I cannot avoid the suspicion that with a little more thought and a little less belief their number may be substantially reduced.
I think that every child grows up with the ideas that what we are given, is our society. Your education, and your mother and father, they tell you this is how it is, but then you hit adolescence and you think, 'Is it? Why? Why is it like that?' Sometimes that questioning leads to something more.
Those who begin coercive elimination of dissent soon find themselves exterminating dissenters. Compulsory unification of opinion achieves only the unanimity of the graveyard.