From each according to his abilities, to each according to his needs.

If one wants to be an ox one can easily turn one's back on hum suffering and look after one's own skin.

Since only what is material is perceptible, knowable, nothing is known of the existence of God.

Art is always and everywhere the secret confession, and at the same time the immortal movement of its time.

Men make their own history

The meaning of peace is the absence of opposition to socialism.

The French need a thrashing. If the Prussians win, the centralization of state power will be useful for the centralization of the German working class. German predominance would also transfer the center of gravity of the workers' movement in Western Europe from France to Germany, and one has only to compare the movement in the two countries from 1866 until now to see that the German working class is superior to the French both theoretically and organizationally.