Note: Even if you can see that they don't map to any question, koans could be useful exercises for dissolving the feeling of a question.
Two monks were arguing about the temple flag waving in the wind.
One said, “The flag moves.”
The other said, “The wind moves.”
They argued back and forth but could not agree.
Hui-neng, the sixth patriarch, said: “Gentlemen! It is not the flag that moves. It is not the wind that moves. It is
your mind that moves.”
The two monks were struck with awe.
A monk asked Kegon, “How does an enlightened one return to the ordinary world?”
Kegon replied, “A broken mirror never reflects again; fallen flowers never go back to the old branches.”
What is your original face before you were born?
Shuzan held out his short staff and said, “If you call this a short staff, you oppose its reality. If you do not call it
a short staff, you ignore the fact. Now what do you wish to call this?”
When you can do nothing, what can you do?
What is the sound of one hand clapping?
Zen Master Unmon said: “The world is vast and wide. Why do you put on your robes at the sound of a bell?”
Elder Ting asked Lin-chi,
“Master, what is the great meaning of Buddha’s teachings?”
Lin-chi came down from his seat, slapped Ting and pushed him away.
Ting was stunned and stood motionless.
A monk nearby said, “Ting, why do you not bow?”
At that moment Ting attained great enlightenment.
When the many are reduced to one, to what is the one reduced?
One day Banzan was walking through a market. He overheard a customer say to the butcher, “Give me the best
piece of meat you have.”
“Everything in my shop is the best,” replied the butcher. “You can not find any piece of meat that is not the
best.”
At these words, Banzan was enlightened.
A monk asked Master Haryo, “What is the way?”
Haryo said, “An open-eyed man falling into the well.”
One day as Manjusri stood outside the gate, the Buddha called to him, “Manjusri, Manjusri, why do you not
enter?”
Manjusri replied, “I do not see myself as outside. Why enter?”
A monk saw a turtle in the garden of Daizui’s monastery and asked the teacher, “All beings cover their bones
with flesh and skin.
Why does this being cover its flesh and skin with bones?” Master Daizui took off one of his sandals and covered
the turtle with it.
After taking the high seat to preach to the assembly, Fa-yen raised his hand and pointed to the bamboo blinds.
Two monks went over and rolled them up in the same way. Fa-yen said, “One gains, one loses.”
Once Ma-tsu and Pai-chang were walking along and they saw some wild ducks fly by.
“What is that?” the Master asked.
“Wild ducks,” Pai-chang replied.
“Where have they gone?”
“They’ve flown away,” Pai-chang said.
The Master then twisted Pai-chang’s nose, and when Pai-chang cried out in pain, Ma-tsu said, “When have they
ever flown away?”
As the roof was leaking, a zen Master told two monks to bring something to catch the water. One brought a tub,
the other a basket. The first was severely reprimanded, the second highly praised.
One day Chao-chou fell down in the snow, and called out, “Help me up! Help me up!” A monk came and lay down
beside him. Chao-chou got up and went away.
Te-shan was sitting outside doing zazen. Lung-t’an asked him why he didn’t go back home. Te-shan answered,
“Because it’s dark.”
Lung-t’an then lit a candle and handed it to him. As Te-shan was about to take it, Lung-t’an blew it out. Te-shan
had a sudden realisation, and bowed.
What is the colour of wind?
A monk asked Zhao Zhou to teach him.
Zhao Zhou asked, “Have you eaten your meal?”
The monk replied, “Yes, I have.”
“Then go wash your bowl,” said Zhao Zhou.
At that moment, the monk was enlightened.
If you meet the Buddha, kill the Buddha.
A monk asked Tozan when he was weighing some flax, “What is Buddha?”
Tozan said: “This flax weighs three pounds.”