Life is singing also in the sand crunching under the slow and heavy steps of the guards, when we know how to listen to it.

There is no democracy without socialism, and no socialism without democracy.

The most revolutionary thing one can do is always to proclaim loudly what is happening.

Without general elections, without freedom of the press, freedom of speech, freedom of assembly, without the free battle of opinions, life in every public institution withers away, becomes a caricature of itself, and bureaucracy rises as the only deciding factor.

Those who do not move, do not notice their chains.

Self-criticism, cruel, unsparing criticism that goes to the very root of the evil, is life and breath for the proletarian movement.

[Geology] opens up such wide intellectual vistas and supplies a more perfectly unified and more comprehensive conception of nature than any other science.