There was a story many years ago of a school teacher— Mrs. Thompson. She told the children on the first day that she loved them all the same. But that was a lie. There in the front row was a little boy named Teddy Stoddard. He didn't play well with the other children and he always needed a bath. She did not like him.

    Then Mrs. Thompson got to know that Teddy was actually a very good boy before the death of his mother. Mrs. Thompson was ashamed(惭愧的) of herself. She felt even worse, like all her other students, Teddy brought her a Christmas present too. It was his mother's perfume(香水)。

    Teddy said, "Mrs. Thompson, today you smell just like my Mom used to." After the children left she cried for at least an hour. On that day, she stopped teaching reading, writing and math. Instead, she began to teach children.

    Mrs. Thompson paid particular attention to Teddy. The boy's mind seemed to come alive. The more she encouraged him, the faster he improved. By the end of the sixth grade, Teddy had become one of the smartest children in the class.

    Six years went by before she got a note from Teddy. He wrote that he had finished high school, third in his class, and she was still the best teacher he ever had in his whole life. He went to college. Mrs. Thompson got two more letters from him with the last one signed, Theodore F. Stoddard, M. D.(医学博士).

    The story doesn't end there. On his wedding（婚礼） day, Dr. Stoddard whispered（低声的说） in Mrs. Thompson's ear, "Thank you, Mrs. Thompson, for believing in me. You made me feel important and showed me that I could make a difference."

    Mrs. Thompson, with tears in her eyes, whispered back, "Teddy, you have it all wrong. You were the one who taught me that I could make a difference. I didn't know how to teach until I met you."

    Garbage collector Jose Gutierrez is 53 years old. When he was young his family was too poor to keep him in school. Jose left school when he was in Grade Two, but that did not stop him having a love for reading.

    Jose said he got the love of reading from his mother. “She read me stories every night,” said Jose. He hopes that every poor child in his city can have books to read. Jose started saving books from garbage twenty years ago. Every day he drives the garbage truck through the city's rich neighborhoods to get old books. Now there are about 20,000 books in Jose's small house. It is already a famous library.

    Books are rare things for children in poor neighborhoods. New books are too expensive. There are nineteen libraries in Bogota, the city where Jose lives, but they are all far from poor neighborhoods.

    Now Jose is famous in Bogota. Many people give old books to him. Jose plans to make more libraries to help more children.

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    Mick Polly, an owner of a toy store, lives with his teenage daughter Carolina in Kentucky. He is known as the Bike Man. Over the past five years, Mick has built hundreds of bikes for needy kids.

    One day in 2012, a 13-year-old boy with a broken bike walked by Mick's house. "I was working in my garage(车库); and he asked if I could fix it," says Mick, now 53.

    The boy's bike had a broken wheel. Mick sent a post(帖子) on Facebook, asking his friends if they had the needed part. One friend saw the post and gave away two used bikes. Mick took parts from each to build a new set of wheels for the boy.

    Soon after, Mick repaired a bike for the boy's brother and fixed one for his sister. Word spread, and during the year, he had fixed up lots of bikes for local kids whose parents were not able to afford new ones.

    "People are throwing away bikes day and night," says Mick.

    Mick puts the bikes and bike parts in his garage. "I take off the good tires or the handlebars or the seats and use them," he says.

    Up to now, the bike man has repaired hundreds of bikes and given away nearly 700 newly repaired bikes. They're free, but the kids must agree on two things: They have to learn how to put waste things to good use and they have to try their best to study in school.

    If a kid's grades are low, Mick requires a teacher's note "saying that you're doing your best". Mick also hopes the bikes will get kids off the sofa. "When I was growing up, we all rode our bikes," he says. "Hopefully these kids can get some exercise."

    One day Bob took two of his friends into the mountains. They put up their tents (帐篷) and then rode off to a forest to see how the trees were growing.

    In the afternoon when they were about ten kilometers from their camp(营地), it started to snow. More and more snow fell. Soon Bob could not see his hands before his face. He could not find the road. Bob knew there were two roads. One road went to the camp, and the other went to his house. But all was white snow. Everything was the same. How could he take his friends back to the camp?

    Bob had an idea. The horses! Let the horses take them back! But what would happen if the horses took the road to his house? That would be a trip of thirty-five kilometers in such cold weather!

    It was getting late. They rode on and on. At last the horses stopped. Where were they? John looked around. What was that under the tree? It was one of their tents!