Jayson McCarthy, 12, was born without fingers on his left hand. That didn't stop him from being able to do many tasks. But Jayson could not grasp more than one object at a time. So Jayson 's father, Paul, created a Prosthesis(假肢), using a 3D printer. Now Jayson has fingers that open and close. “It was a do－it－yourself, father－and－son adventure，” says Paul.

    When Jayson was a baby, his doctor advised his parents not to give him a prosthetic hand until he was in his early teens. “The doctor said Jayson should first learn to get full use out of the hand he was born with，” says Paul. As Jayson got older, his father looked into purchasing a prosthetic hand, which can cost as much as $30，000. Paul found a more affordable solution.

    One day, Paul discovered a video on the Internet about Robohand, a prosthesis created with a 3D printer. He downloaded the free instructions and called Robohand's creators for advice. They told him all he needed was a 3D printer—which costs around $2，000—and some materials.

    Luckily, Jayson 's school had recently purchased a 3D printer and it offered to help Paul build the hand for Jayson n. “We used a soccer shinguard(护胫), cardboard(硬纸板), and tape. They cost about $10，” says paul.

    With his new hand, Jayson can do things better. “I can help my mom more, because now I can carry two grocery bags，” he says.

    Jayson 's father has already built several hands for Jayson. Jayson helps design each one. He says there's one thing in particular that he wants to do with a future prosthesis. “The goal，” he says, “is to be able to tie my shoelaces(鞋带)．”

    As I enter my 40s, I've noticed many of my parents' generation think social networking is something they are simply unable to understand. They fear that, should they try, they will somehow get it wrong; they will say the wrong thing, do the wrong thing or behave in a way that causes embarrassment(尴尬). But here's the first secret of social media: Everyone feels this way.

    I recently met a young actor who was complaining that her work demands that she join Microblog, but she always feels like she doesn't have anything smart to say. It's the same resistance (抵制)I hear from the older generation, who, however, have somehow believed that age is the barrier(障碍), rather than the differences of personal taste.

    Here's the second secret of social media: everybody uses it for more or less the same reasons. Older generations often sign up to stay in touch with children and relatives. We talk about this kind of communication like it's some old-fashioned activity, but it is exactly why younger people use social media. The truth is that most people use social media to gently keep an eye on one another, to see how those they care about are doing without needing to ring them up on the phone every night.

    And this is the last secret of social media: everyone gets to use them in their own way. Newcomers—younger and older—who worry about “getting it right” are thinking that there's a right way to get them. But actually there isn't. Personally, I talk a lot on Microblog. And some people post nothing and they use social media every day as readers. Social media companies would rather see people decorating their networks with pictures and posts, but there's no rule against being a fly on the wall. It's also a fine way to get involved.

    We're quick to forget that the web wasn't invented by 13-year-olds; it was created by today's seniors. I'd never try forcing those with no interest in social networks to use Microblog. But don't let the talk of age divides put you off. There's nothing to stop the older generation from joining in the network their own generation created.

    When asked about happiness, we usually think of something extraordinary, an absolute delight, which seems to get rarer the older we get.

For kids, happiness has a magical quality. Their delight at winning a race or getting a new bike is unreserved (毫无掩饰的).

    In the teenage years the concept of happiness changes. Suddenly it's conditional on such things as excitement, love and popularity. I can still recall the excitement of being invited to dance with the most attractive boy at the school party.

    In adulthood the things that bring deep joy—love, marriage, birth—also bring responsibility and the risk of loss. For adults, happiness is complicated (复杂的).

    My definition of happiness is “the capacity for enjoyment”. The more we can enjoy what we have, the happier we are. It's easy to overlook the pleasure we get from the company of friends, the freedom to live where we please, and even good health.

    I experienced my little moments of pleasure yesterday. First I was overjoyed when I shut the last lunch-box and had the house to myself. Then I spent an uninterrupted morning writing, which I love. When the kids and my husband come home, I enjoyed their noise after the quiet of the day.

    Psychologists tell us that to be happy we need a mix of enjoyable leisure time and satisfying work. I don't think that my grandmother, who raised 14 children, had much of either. She did have a network of close friends and family, and maybe this what satisfied her.

    We, however, with so many choices and such pressure to succeed in every area, have turned happiness into one more thing we've got to have. We're so self-conscious about our “right” to it that it's making us miserable. So we chase it and equal it with wealth and success, without noticing that the people who have those things aren't necessarily happier.

    Happiness isn't about what happens to—it's about how we see what happens to us. It's the skillful way of finding a positive for every negative. It's not wishing for what we don't have , but enjoying what we do possess.

    Chinese has overtaken French, Spanish and German to become one of the most promising foreign languages for job seekers in the UK. Research shows graduates in Chinese earn an average yearly salary of 31,000 pounds or more.

    Chinese students set themselves up for a different university experience from others who take traditional subjects. While an English student may have as little as six hours of a week, those studying Chinese are in class for most of the day. "I had a lot of friends on other courses who didn't do much in first or second year. You can't play at Chinese. You have to spend hours and hours writing characters," says Hannah, who graduated in Chinese Studies from Sheffield University. "The first year was really difficult. Most of my friends admitted at one point to crying because of the pressure. I was almost told at one point that I might want to reconsider and drop out. "

    So are the evenings in learning characters while your friends are at the student bar really worth its Despite the painful studying experience, most of the graduates think so. They use Chinese in their chosen careers, and would not have been in the jobs they do now without their knowledge of the language.

    Liberty now works for the civil service in Beijing. She earned a place on the Department for International Development graduate scheme with a salary of over 30, 000 pounds within two years. "The degree was absolutely worth it. Looking around at people I know who have studied French or Spanish at university, there's not such a chance to use it in the workplace."

    Hannah has set her apart in the workplace, but she warns ambitious students to think about whether they would really want to live in China in the future." Some people think they are going to learn Chinese and then be a big success, but I think it's important to be quite realistic about that. "

    I attended a party one night. During the dinner a man told a humorous story based on the quotation: "There's a divinity that shapes our ends, rough-hew them how we will."

    The storyteller mentioned that the quotation was from the Bible. I knew he was wrong. There couldn't be the slightest doubt about it. To get a feeling of importance and display my superiority, I appointed myself as an unwelcome committee member to correct him. He stuck to his guns. "What? From Shakespeare? Impossible! Absurd! That quotation was from the Bible." And he knew it.

    The storyteller was sitting on my right; and Frank Gammond, an old friend of mine, was seated on my left. Mr. Gammond had devoted years to the study of Shakespeare. So the storyteller and I agreed to submit the question to Mr. Gammond. Mr. Gammond listened, kicked me under the table, and then said, "Dale, you are wrong. The gentleman is right. It is from the Bible."

    On our way home that night, I said to Mr. Gammond, "Frank, you knew that quotation was from Shakespeare. "Yes, of course," he replied, "Hamlet, Act Five, Scene Two. But we were guests at a happy time, my dear Dale. Why argue with the storyteller? Why prove to him he is wrong? Why not let him save his face? Always avoid your sharp angle." I learned a lesson I'll never forget. I not only had made the storyteller uncomfortable, but also had put my friend in an embarrassing situation. How much better it would have been had I not become argumentative.

    Nine times out of ten, an argument ends with each of the contestants more firmly convinced than ever that he is absolutely right. You can't win an argument. You can't because if you lose it, you lose it; and if you win it, you lose it

    I was given the book Running on Faith written by Jason Lester as a birthday gift last month. After I started reading, I really couldn't keep my eyes off it. It is always inspiring to read a story of someone who has gone through obstacles to reach his goals.

    Jason Lester is a disabled (残疾的) extreme athlete. When he was twelve years old, a fast car ran a red light and hit him. Then he was sent into the hospital with twenty broken bones and. a famous baseball player, but at that a seriously injured arm. Jason had always wanted to become a time that dream was gone.

    However, Jason loved sports and he still wanted to be a good athlete. He began running and taking part in duathlons(铁人两项) in high school. Years later in 2004, he decided to start training for the Ironman, and has competed in many extreme races since then. In 2008, Jason became the first disabled athlete to complete the Ultraman (320 miles of biking, swimming and running) ,and it led him to an ESPY award (奖项) for Best Male Athlete with a Disability in 2009.

    If you are in a bad situation and don't know what to do now, Running on Faith is a good book for you. If you love running and want to reach some race goals, this book is good for you, too. Anyway, this book is worth reading for everyone who loves reading and wants to turn dreams into reality.