The imaginary flowers of religion adorn man's chains. Man must throw off the flowers, and also the chains.

Life is not determined by consciousness, but consciousness by life.

Let the ruling classes tremble at a communist revolution. The proletarians have nothing to lose but their chains. They have a world to win. Workingmen of all countries, unite!

I am stretching out this volume, since those German dogs estimate the value of books by their cubic contents.

The Tories in England had long imagined that they were enthusiastic about the monarchy, the church and beauties of the old English Constitution, until the day of danger wrung from them the confession that they are enthusiastic only about rent.

Medicine heals doubts as well as diseases.

The meaning of peace is the absence of opposition to socialism.