\x0d\ Confucius went to Chu. On this day, he walked into a forest and saw a hunchbacked old man sticking a cicada with a pole, as if he were picking up something, but none of them ran away. Confucius asked in surprise, "You are so clever. Is there any way? " The \x0d\ man replied, "I have an idea. In order to practice my wrist, I put two sticky pills on the head of the pole in May and June. If I don't fall, I'll miss a few when I stick cicadas. Tired of sticking pills at the head of the pole, if you don't fall off, the sticky cicada will only leak one tenth; Tired of five sticky pills at the head of the pole, it's like picking up something if you don't fall, and none of them will leak out. I stand as steady as a stump, and I hold the lever arm like a dry branch. Although the world is so big and there are so many things in the world, all I know in my heart is the wings of cicadas. I don't turn around, I don't look around, and I don't let anything distract me. How can this not stick to cicadas! " \x0d\ Confucius turned to tell the students around him: \ Only with one heart and one mind can we concentrate highly, which is what this hunchbacked old man told us! \