The aim of socialism is not only to abolish the present division of mankind into smaller states and all-national isolation, not only to bring the nations closer to each other, but also to merge them.

Medicine is the keystone of the arch of socialism.

Don't be afraid to admit defeat. Learn from defeat. Do over again more thoroughly, more carefully, and more systematically what you have done badly.

The aim of socialism is not only to abolish the present division of mankind into smaller states and all-national isolation, not only to bring the nations closer to each other, but also to merge them.

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

Revolution can never be forecast; it cannot be foretold; it comes of itself. Revolution is brewing and is bound to flare up.

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