“Learning is never done without errors and defeat.”

But every little difference may become a big one if it is insisted on.

Three keys to success: read, read, read.

Pacifism, the preaching of peace in the abstract, is one of the means of duping the working class.

We Social-Democrats always stand for democracy, not “in the name of capitalism,” but in the name of clearing the path for our movement, which clearing is impossible without the development of capitalism.

There can be nothing more abominable than religion.

The true leader must submerge himself in the fountain of the people.

The art of any propagandist and agitator consists in his ability to find the best means of influencing any given audience, by presenting a definite truth, in such a way as to make it most convincing, most easy to digest, most graphic, and most strongly impressive.

It is true that liberty is precious; so precious that it must be carefully rationed.

One of the basic conditions for the victory of socialism is the arming of the workers Communist and the disarming of the bourgeoisie the middle class.

When a liberal is abused, he says, ‘Thank God they didn’t beat me.’ When he is beaten, he thanks God they didn’t kill him. When he is killed, he will thank God that his immortal soul has been delivered from its mortal clay.

Give me a child for the first 5 years of his life and he will be mine forever.

We need the real, nation-wide terror which reinvigorates the country and through which the Great French Revolution achieved glory.

As an ultimate objective, “peace” simply means communist world control.

Give me four years to teach the children and the seed I have sown will never be uprooted.

You can become a Communist only when you enrich your mind with a knowledge of all the treasures created by mankind.

The press should be not only a collective propagandist and a collective agitator, but also a collective organizer of the masses.