The policy of Russia is changeless. Its methods, its tactics, its maneuvers may change, but the polar star of its policy, world domination, is a fixed star. About Russia

In the national struggles of the proletarians of the different countries, they point out and bring to the front the common interest of the entire proletariat, independently of all nationality.

Men make their own history, but they do not make it just as they please; they do not make it under circumstances chosen by themselves, but under circumstances directly encountered, given and transmitted from the past. The tradition of all the dead generations weighs like a nightmare on the brain of the living.

Without doubt, machinery has greatly increased the number of well-to-do idlers.

Once the inner connection is grasped, all theoretical belief in the permanent necessity of existing conditions collapses before their collapse in practice -- Letter to Ludwig Kugelmann (July 11, 1868)

Catch a man a fish, and you can sell it to him. Teach a man to fish, and you ruin a wonderful business opportunity.

As individuals express their life, so they are. What they are, therefore, coincides with their production, both with what they produce and with how they produce. The nature of individuals thus depends on the material conditions determining their production.