Old age is the most unexpected of all things that happen to a man.

In France, the leader of Jacobinism perished on the guillotine; with us, the change of leadership was achieved by means of arrest and banishment. The technique of the process is gentler, but its essence is the same.

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

The theory of the permanent revolution, in contradiction to the theory of socialism in one country, was recognized by the entire Bolshevik party during the period from 1917 to 1923.

Everything is relative in this world, where change alone endures.

The Federated Republic of Europe-the United States of Europe-that is what must be. National autonomy no longer suffices. Economic evolution demands the abolition of national frontiers. If Europe is to remain split into national groups, then Imperialism will recommence its work. Only a Federated Republic of Europe can give peace to the world.

Abusive language and swearing are a legacy of slavery, humiliation, and disrespect for human dignity, one’s own and that of other people.