National self-sufficiency or "autarchy" is the ideal of [Adolf] Hitler, not of [Karl] Marx and [Vladimir] Lenin.

To renounce the conquest of power is voluntarily to leave the power with those who wield it, the exploiters. The essence of every revolution consisted and consists in putting a new class in power, thus enabling it to realize its own program in life. It is impossible to wage war and to reject victory.

Everyone has a right to be stupid, but Comrade MacDonald abuses the privilege.

In the appendix to my History of the Russian Revolution I give a detailed and documented study of the ideas of the Bolshevik party on the October revolution. This study, I hope, will make it impossible in the future to ascribe to [Vladimir] Lenin the theory of Socialism in a single country.

Religions are illogical primitive ignorance. There is nothing as ridiculous and tragic as a religious government.

There are no absolute rules of conduct, either in peace or war. Everything depends on circumstances.

You are pitiful isolated individuals; you are bankrupts; your role is played out. Go where you belong from now on - into the dustbin of history!