A professor was traveling with a few of his students, they happened to pass a lake. Then the professor told one of his students to get some 1 for him.
When the student 2 the lake, he noticed that some people were washing clothes in the water and, right at that moment, a bullock cart(牛车) started crossing through the lake. As a result, the water became very 3. The student thought, "How can I give this muddy water to my 4 to drink!? " So he came back and told professor, "The water there is very muddy. I don't think it is 5 to drink. "
After about half an hour, again the professor asked the 6 student to go back to the lake and get him some water to drink. The student went back to the 7. This time he found that the lake had absolutely clear water in it. So he 8 some water in a pot and brought it to the professor.
The professor looked at the water, and then he looked up at the student and said, "See what you did to make the water 9. You let it be. . . and the mud 10 on its own — and you got clear water. . . Your mind is also like that. When it is 11, just let it be. Give it a little 12. It will settle down on its own. You don't have to put in any effort to calm it down. It is 13. "
What did the professor emphasize here? He said, "It is effortless. Having 'peace of mind' is not a strenuous job; it is an effortless 14. When there is peace 15 you, that peace permeates to the outside. It spread around you and in the environment, such that people around start feeling that peace and grace.