The abolition of the class struggle does not mean the abolition of the need to struggle as a principle of development.

I'm a pessimist because of intelligence, but an optimist because of will.

After puberty the personality develops impetuously and all extraneous intervention becomes odious.... Now it so happens that parents feel the responsibility towards their children precisely during this second period, when it is too late.

Destruction is difficult. It is as difficult as creation.

History is at once freedom and necessity.

Every State is a dictatorship.

What comes to pass does so not so much because a few people want it to happen, as because the mass of citizens abdicate their responsibility and let things be.