There is an old saying that all of us are born with two bags hung on our necks. The small bag in the front is filled with other people's faults (缺点), while the big one at the back is full of our own faults.
This makes it easy to find other people's faults, but hard to see our own faults behind us.
A boy named Tommy had four friends: Simon, Jack, Johnny and Harry. He saw other people's faults very quickly. When Simon was impatient (不耐烦的) with him, he said to Simon: "It's so easy for you to get angry. It is hard to be friends with you."
Later that day, Tommy told his mother about Jack's dishonesty (不诚实). "Jack often takes my things without asking." Tommy himself did not like sharing his things with anyone.
When Johnny was too tired to play with him, he said: "You are such a rude(粗鲁的) person." He thought Harry was proud(骄傲) of his rich parents. At last, he had few good friends.
If only Tommy would turn the bags around, he would find his own impatience, dishonesty, bad manners and vanity (虚荣). They were no better than that of Simon, Jack, Johnny or Harry.