There is no greater stupidity than for people...to marry and so surrender themselves to the small miseries of domestic and private life.

The product of mental labor - science - always stands far below its value, because the labor-time necessary to reproduce it has no relation at all to the labor-time required for its original production.

Hazrat Mahal, Begum of Oudh, during the national liberation uprising of 1857-59 in India headed the rebels.

Darwin's book is very important and serves me as a basis in natural science for the class struggle in history. One has to put up with the crude English method of development, of course. Despite all deficiencies not only is the death-blow dealt here for the first time to 'teleology' in the natural sciences, but their rational meaning is empirically explained.

While the miser is merely a capitalist gone mad, the capitalist is a rational miser.

In my free time I do differential and integral calculus.

Misery motivates, not utopia.