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.

History repeats itself, the first as tragedy, then as farce.

Taxes are the source of life for the bureaucracy, the army and the court, in short, for the whole apparatus of the executive power. Strong government and heavy taxes are identical.

Man makes religion, religion does not make man

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

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.

Work is external to the worker. . . . It is not part of his nature; consequently he does not fulfill himself in his work but denies himself. . . . The worker therefore feels himself at home only during his leisure time, whereas at work he feels homeless.