This is a koan zen story:
A young wife fell ill and was about to die. " I love you so much," she told her husband , " I do not want to leave you. If I miss you, I do not want to look at another woman . If you do, volvere as a ghost and I will make you life miserable ."
The woman did not take long to die . The husband will respect your first three months , but then he met another woman and fell deeply in love . He promised in marriage.
Immediately after you commit , the woman ghost appeared to him every night the man , echandole on face for not having kept his promise. The ghost was clever . She could tell you exactly all that was between him and his new love. If you toward a gift to his beloved , the ghost could describe in detail . He could repeat entire conversations over and over again throughout the night , preventing him from sleep. She was advised to ask a Zen master and lived near the village. Finally , in despair, went to the teacher for help .
" Your ex-wife has become a ghost and knows everything you do . " Commented the teacher. " Whatever you do and whatever you say , she knows it. Whatever gift you do to your new love, she knows . Must be a very wise ghost . You should admire . The next time you appear , tell him she knows so much you can not hide anything , and if you answer one question , will break your compromisio and will you stay single. "
" What questions should I ask ? " Asked the man .
The master replied: " Put your hand in a bag of lentils and takes a handful . Then ask him how many lentils have in your fist . Failure s able to answer you, you'll know that she is not more than an imagination yours, and do not bother more . "
The next night , when he returned the ghost to appear, the man told her that she knew so much that he could not hide anything .
" Sure, " replied the Ghost, " in fact, that you attend to see that Zen master today. "
" And since you know so much , " the man said , "tell me how many lentils I have in my hand!
And there was no ghost to answer the question.