The rule of the bourgeois democrats [in pre-federal Germany], from the very first, will carry within it the seeds of its own destruction

If you can cut the people off from their history, then they can be easily persuaded.

The criticism of Religion is the beginning of all criticism

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

Landlords, like all other men, love to reap where they never sowed.

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

The Communists have no need to introduce free love; it has existed almost from time immemorial.