Communism is not love. Communism is a hammer which we use to crush the enemy.
Communists should be the most farsighted, the most self-sacrificing, the most resolute, and the least prejudiced in sizing up situations, and should rely on the majority of the masses and win their support.
Once all struggles are grasped, miracles are possible.
All genuine knowledge originates in direct experience.
The weeds of socialism are better than the crops of capitalism.
Historical experience is written in blood and iron.