In a suitable temperature, an egg becomes a chicken, and there are no chickens born of stones.

Conditions are changing all the time, and to adapt one's thinking to the new conditions, one must study. Even those who have a better grasp of Marxism and are comparatively firm in their proletarian stand have to go on studying, have to absorb what is new and study new problems.

Let the ancient serve the present, let the foreign serve the national; by developing that which has been accomplished one creates something that is new.

Even though I believe we should promote Chinese medicine, I personally do not believe in it. I don't take Chinese medicine.

Look at World War II, at Hitler's cruelty. The more cruelty, the more enthusiasm for revolution.

Many who have read Marxist books have become renegades from the revolution, whereas illiterate workers often grasp Marxism very well.

There should be celebration rallies when people die... We believe in dialectics, and so we can't not be in favor of death.