Setbacks, sometimes like a desert, try to make people lose their way. However, a confident person will always have a compass in his hand, and he will never lose his way and move forward bravely towards his goal; A frustrated person is like a headless fly, where it hits, it will never get out of the desert. Tolerance is an extraordinary tolerance, broad mind, tolerance and acceptance of people and things. In the vast sea of people, facing a small mistake, a faint smile and a gentle apology bring tolerance and understanding, which is tolerance.