Not too long ago, I was faced with what appeared to be a brick wall. After【C1】______a corporate environment for greener pastures, I found that the other side wasnt any【C2】______, nor did there seem to be any grass at all. No matter what I【C3】______to do, I was invariably knocked back to square one. So, I started【C4】______business venture, again to be knocked back to square one. I began to【C5】______my own confidence; maybe I had made a fatal【C6】______. Maybe, I should go back to what I did before.【C7】______, it seemed to be a much more secure and safer environment. As I contemplated(预期)my【C8】______, I received a card in the mail from a friend of mine who knew how I was【C9】______. The card read: 'Persistence; persistence prevails when all else fails. ' I sat there【C10】______that card, once, twice, three times. When youre faced with an uncertain future, when all you try seems to go【C11】______, maybe there was more truth to these words than I【C12】______. Maybe, I hadnt found the right【C13】______for success. On the other hand, maybe I had【C14】______up too soon. Ever heard the expression ' back up and reload' . Well, if you give up, it meant to me that I should start again【C15】______this time internalizing(内化)the words ' persistence prevails when all else fails'. To make a long story【C16】______, I did persevere; persistence【C17】______with a god dose of patience realizing that a new beginning doesnt emerge to success【C18】______. Failure is the chance to【C19】______your mistakes. Success also encourages us to learn, to persevere in order to reach your goal. Life can be filled with【C20】______, but only those who dont persevere adopt failure as the way it has to be. 【C1】