The entire so-called history of the world is nothing but the creation of man through human labor.

Free education for all children in public schools... Combination of education with industrial production

Machines were, it may be said, the weapon employed by the capitalists to quell the revolt of specialized labor.

The whole proletariat must be armed at once with muskets, rifles, cannon and ammunition, and the revival of the old-style citizens militia, directed against the workers, must be opposed.

The rule of the bourgeois democrats [in pre-federal Germany], from the very first, will carry within it the seeds of its own destruction

The bourgeoisie of the whole world, which looks complacently upon the wholesale massacre after the battle, is convulsed by horror at the desecration of brick and mortar.

Science and democracy are the right and left hands of what I'll refer to as the move from the realm of necessity to the realm of freedom.