Those who don't move don't notice their chains.

Freedom is always and exclusively freedom for the one who thinks differently.

The most revolutionary thing one can do is always to proclaim loudly what is happening.

The working classes in every country only learn to fight in the course of their struggles.

Only to the rude ear of one who is quite indifferent does the song of a bird seem always the same.

The more that social democracy develops, grows, and becomes stronger, the more the enlightened masses of workers will take their own destinies, the leadership of their movement, and the determination of its direction into their own hands.

There is no democracy without socialism, and no socialism without democracy.