The workers have nothing to lose but their chains. They have a world to gain. Workers of the world, unite.

The worker of the world has nothing to lose, but their chains, workers of the world unite.

Workers of the world unite; you have nothing to lose but your chains.

The more the division of labor and the application of machinery extend, the more does competition extend among the workers, the more do their wages shrink together.

Philosophy is to the real world as masturbation is to sex

Philosophy stands in the same relation to the study of the actual world as masturbation to sexual love.