"Reason has always existed, but not always in a reasonable form."

"The ruling ideas of each age have ever been the ideas of its ruling class."

"Philosophers have hitherto only interpreted the world in various ways; the point is to change it."

"It is a bad thing to perform menial duties even for the sake of freedom; to fight with pinpricks, instead of with clubs. I have become tired of hypocrisy, stupidity, gross arbitrariness, and of our bo…"

"Private property has made us so stupid and partial that an object is only ours when we have it – when it exists for us as capital, or when it is directly possessed, eaten, drunk, worn, inhabited, etc.…"