Poem for Liu Ya-tzu I cannot forget how in Canton we drank tea and in Chungking went over our poems when leaves were yellowing. Thirty-one years ago and now we come back at last to the ancient capital Peking. In this season of falling flowers I read your beautiful poems. Be careful not to be torn inside. Open your vision to the world. Don't say that waters of Kumming Lake are too shallow. We can watch fish better here than in the Fuchun River in the south.

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.

The spark from a tiny star can ignite the plains.

If you want to know the taste of a pear, you must change the pear by eating it yourself. If you want to know the theory and methods of revolution, you must take part in revolution. All genuine knowledge originates in direct experience.

Communists must always go into the why's and wherefore's of anything, use their own heads and carefully think over whether or not it corresponds to reality and is really well founded; on no account should they follow blindly and encourage slavishness.

There is no such thing as abstract Marxism, only concrete Marxism... The Sinofication of Marxism - that is, making certain that its manifestation is imbued with Chinese peculiarities - is a problem that must be understood and solved by the party without delay.

A Communist must never be opinionated or domineering, thinking that he is good in everything while others are good in nothing; he must never shut himself up in his little room, or brag and boast and lord it over others.