The societies of consumption and squandering of material resources are incompatible with the idea of economic growth and a clean planet.

Repetition is a revolutionary virtue.

Good athletes do not know what tiredness is. They do not know what discouragement is. Good athletes only know what victory is.

Everyone is a poet at 16, but how many are poets at 50? Generally, people seem to get more conservative as they age, but in my case, I seem to have gotten more radical.

The duty of every revolutionary is to make revolution

The Jews have lived an existence that is much harder than ours. There is nothing that compares to the Holocaust.

There is not Communism or Marxism, but representative democracy and social justice in a well-planned economy.