Read " if you give me three days of light " have feeling Mark Twin once said: " in nineteenth Century two people, one is Napoleon, one is Helen Keller. " Recently I read a book about Helen -- " if you give me three days light ", after reading this book my heart was the spirit of Helen deeply shocked! In the book, Helen said: " the knowledge to give love, give a person with bright, give a person with wisdom, should say that knowledge is happiness, because of knowledge, is to touch the history of activity of human pulse, or don't understand human life music! ". Indeed, the power of knowledge is endless, it is knowledge that Helen created the miracle! Helen is unfortunate, but she is lucky, it is because of knowledge, she was so lucky. In her 19 months after the loss of visual and auditory, on with the world has lost communication, lost contact, the life of the young do not know how to row retire loneliness, her eccentric, rough, rude, until her other teacher came into her life, she read the church, to make her open heart eyes, and to communicate with people. A contact to the knowledge, the lonely Helen realized that only knowledge can be paved a path leading to a bright road. When Helen realized " water " -- that she knew the first word, will start on the knowledge of the world, a strong desire, began to read, read unable to hold oneself back, like a sponge to absorb knowledge from life itself. The thirst for knowledge, making her the unimaginably monotonous and boring actually learned German, Latin, French and many other languages, reading a number of literary and philosophical works, learn from those great and wise thought essence. She learn to climb mountain peak, fell to climb up, each gets a little progress, there is an inspiring, gradually see the wider world, until the bright clouds, blue sky, hope deep peak! These knowledge, like a rainbow, lit Helen's lamp, lit up her inner world, also build a bridge between the world and the Helen! In the book, Helen with delicate brush strokes, the natural scenery description, making it difficult to believe that the work of a deaf-blind pen; she go horseback riding, boating, swimming, sleigh rides, even alone river rafting, try to comprehend the beauty of the moon pool; she went to visit the museum, concert, " listen" even to " appreciate " opera ... ... I believe she is hard to feel the world, hard to enjoy life. She is far better than our normal lives happily, live, live a meaningful life! Is knowledge gave her the courage to live, is the knowledge to her to accept the challenges of life force, so that she can with amazing perseverance in the face of difficulties, and finally in the dark to find the light of life. Is the knowledge that she had a belief : the realistic environment is not terrible, but humans should hold the hope, the struggle. What is the meaning of life, life value? Human life is short, we never seem to think or imagine the future world, lazily lazily daily life, work, difficult to blame everyone and everything but not oneself, complained that God is not fair. On this day in and day out, year after year, time flies like water, the past day no longer reproduce, when we look back, whether it is worthwhile nostalgia? Whether the memorable? If, for every one of us, with knowledge of light your light, I believe, the world will be bright! Helen, with her hard but happy life, explained the meaning of life. Her life is humanity's miracle, her autobiography, to my shame, also made me watch. In this world, why only the deaf appreciate their hearing? Only the blind will cherish the happiness to be delivered from oppression? Let us treasure every day in life, to enrich life, to enjoy life! Helen said: " I work for the purpose of human knowledge society contribute a little strength. " The power of knowledge so much, it can make a disabled person, become a useful to humans, is beneficial to the society. If, for every one of us, can resemble Helen . Keller as in the rest of one's life, his thirst for knowledge, as the pursuit of life, every day with this pursuit, with friendly, energetic, eager to life, our life will add much joy, happiness! The life of Helen, is living in the dark has brought light to mankind life, she proved with the action of human conquer life of courage, to leave the world a never forget the song of life!