ignorance and envy

From the very beginnings of the socialist movement and the endeavors to revive the interventionist policies of the precapitalistic ages, both socialism and interventionism were utterly discredited in the eyes of those conversant with economic theory. But the ideas of the immense majority of ignorant people [are] exclusively driven by the most powerful human passions of envy and hatred.
[...]
They are socialists because they are blinded by envy and ignorance. They stubbornly refuse to study economics and spurn the economists' devastating critique of the socialist plans because, in their eyes, economics, being an abstract theory, is simply nonsense. They pretend to trust only in experience. But they no less stubbornly refuse to take cognizance of the undeniable facts of experience[...].

Ludwig von Mises, The Anti-Capitalistic Mentality