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    There was a man who had four sons. He wanted his sons to learn not to judge things too quickly. So he sent them to go and look at a pear tree far away in turns.

    The first son went in the winter, the second in the spring, the third in summer, and the youngest son in the fall.

    When they had all gone and come back, he called them together to describe what they had seen. The first son said that the tree was ugly. The second son said no; it was covered with green leaves, and full of hope. The third son disagreed. He said there were many flowers that smelled so sweet and looked so beautiful, it was the most wonderful thing he had ever seen. The last son disagreed with all of them, he said there was lots of fruit in the tree, full of life and harvest（收获）.

    The manthen explained to his sons that they were all right, but they had each seenonly one season in the tree's life. He told them" You cannot judge a tree,or a person by only one season and its true nature —the pleasure, joy, and lovethat come from that life can only be judged at the end, when all the seasons are up."

    If you give up when it's winter, you will miss the promise of your spring, the beauty of your summer, harvest of your fall. Don't let the pain of one season kill the joy of all the rest.

    Edward Estlin Cummings (E. E. Cummings) was a poet famous for writing his poems with capital (大写的) letters in the words. He also used "i" instead of "I" to refer to himself in the poems.

    Edward was born on 14 October, 1894 in Cambridge, Massachusetts. Young Edward's mother Rebecca loved to spend time with her children. She taught young Edward how to write poems. Edward's father was also named Edward. He was a great scholar (学者) and taught his son to learn by using his hands as well as his mind.

    Edward was a very smart boy. He was only 12 when he became a freshman in high school. He graduated (毕业) from Harvard in 1915. During World War Ⅰ, he joined the army and was sent to France. Edward and his friend from Harvard were caught because people thought they were sent by the German army. They were kept in one room. Their life was boring and full of fear. Edward therefore wrote his first book The Enormous Room and published it in 1922.

    Edward was a poet that made his own rules in poetry. He was one of the most popular poets of the 20th century.

    Life is full of surprises and you never know how things will turn out.

    Sir John Gurdon is a good example of this. As a boy, he was told he was hopeless at science and finished bottom of his class. However , the very same Gurdon shared the 2012 Nobel Prize in Medicine with Japanese stem cell (干细胞) researcher Shinya Yamanaka.

    Like so many scientists, Gurdon shows us where the power of curiosity and perseverance (坚持不懈) can lead.

    At the age of 15 in 1948, Gurdon ranked last out of the 250 boys at his high school in biology and every other science subject. Gurdon's high school science teacher even said that his dream of becoming a scientist was " quite ridiculous".

    In spite of his teacher's criticisms, Gurdon followed his curiosity and kept working hard. He went to the lab early and left later than anyone else. He experienced thousands of failures.

    "My own belief is that we will, in the end, understand everything about how cells actually work," Gurdon said.

    In 1962 ,Gurdon took a cell from an adult frog and moved its genetic( 基因的 ) information into an egg cell . The egg cell then grew into a clone(克隆) of the adult frog. This technique later helped to create Dolly the sheep in 1996,the first cloned mammal(哺乳动物) in the world.

    In 2006, Gurdon's work was developed by Yamanaka to show that a sample (样本) of a person's skin can be used to create stem cells. Using the technique, doctors can repair a patient's heart after a heart attack.

    "Luck favors the prepared mind," Gurdon told the Nobel Prize Organization. "Ninety percent of the time things don't work ,but when they do ,you have to seize(抓住) the chance. "

    Mike is a factory worker. He is often very tired after a day's work. His wife(妻子), Jenny, has no job, so she stays at home to cook the meals. Every day he can have his dinner when he gets home from his factory.

    One day, Mike came home very late because he was very busy in the factory. He was very hungry when he got home.

    He was not happy when he found his dinner was not ready. He was very angry with his wife. He shouted out, "I'm going out to eat in a restaurant." "Wait for five minutes," said his wife. "Why? Do you think that dinner will be ready in five minutes?" asked Mike.

     "Of course not," she answered. "But I can be ready to go with you in five minutes."

    Called the "Afghan Bruce Lee", Alizada looks very much like Hong Kong action film star and Chinese kung fu artist Bruce Lee.

    He became interested in Chinese kung fu at a very young age. However, he had to study it by himself as his family could not afford the training. His family was not rich to give him a good coach.

    "It was when I was around eight years old that I saw a Bruce Lee movie for the first time. I became crazy about those movies, which served as a drive for me to learn Chinese kung fu," Alizada said.

    Alizada has studied kung fu for more than 10 years. The 23­year­old had a great influence online a few years ago when he posted a video named" Bruce Lee appears in Afghanistan" on Facebook.

    Alizada has now appeared in two films，with one in Azerbaijan and the other in India. "I want to star in a film produced by Afghanistan when I am well­known all over the world," Alizada said.