无产阶级是普遍的阶级，他们的根本锁链是可以破裂的阶级。
The proletariat is the universal class, the class whose radical chains are capable of bursting asunder.
I sent my Soul through the Invisible, Some letter of that After-life to spell: And by and by my Soul return'd to me, And answer'd "I Myself am Heav'n and Hell.”
Life isn't about how many breaths you take, but about the moments that take your breath away.
The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.
To live is the rarest thing in the world. Most people exist, that is all.