A revolutionary career does not lead to banquets and honorary titles, interesting research and professorial wages. It leads to misery, disgrace, ingratitude, prison and a voyage into the unknown, illuminated by only an almost superhuman belief.

The facts which our senses present to us are socially performed in two ways: through the historical character of the object perceived and through the historical character of the perceiving organ. Both are not simply natural; they are shaped by human activity, and yet the individual perceives himself as receptive and passive in the act of perception.

When even the dictators of today appeal to reason, they mean that they possess the most tanks. They were rational enough to build them; others should be rational enough to yield to them.

Plato and his objectivistic successors ... preserved the awareness of differences that pragmatism has been invented to deny the difference between thinking in the laboratory and in philosophy, and consequently the difference between the destination of mankind and its present course.

Calvin's theocentric irrationalism eventually revealed itself as the cunning to technocratic reason which had to shape its human material. Misery and the poor laws did not suffice to drive men into the workshops of the early capitalistic era. The new spirit helped to supplement external pressures with a concern for wife and child to which the moral autonomy of the introverted subject in reality was tantamount.

Once the philosophical foundation of democracy has collapsed, the statement that dictatorship is bad is rationally valid only for those who are not its beneficiaries, and there is no theoretical obstacle to the transformation of this statement into its opposite.

The disparagement of empirical evidence in favor of a metaphysical world of illusion has its origin in the conflicy between the emancipated individual of bourgeois society and his fate within that society.