The Zen Master asked the beginner, "How does a fly navigate in the wind."
The beginner, thinking he is clever, answers with another question, "How does a person navigate the sea of life and death."
The master replies, "It is helpful to know which way is North."
After some time and consideration the beginner writes to the master, "The fly is one with the air, it knows no more of wind that you or I know of the earth's roation"