自信的价值不言而喻，在我们面临一个个挑战时，正是因为拥有了自信，我们才拥有了最终的成功。请以the value of self-confidence 为题写一篇能够体现自信价值的，150词左右的英文短文。

自信的价值不言而喻，在我们面临一个个挑战时，正是因为拥有了自信，我们才拥有了最终的成功。请以the value of self-confidence 为题写一篇能够体现自信价值的，150词左右的英文短文。

My friends often ask me, “Why are you so carefree all the time?” The answer is quite simple. I owe my light-hearted attitude to self-confidence.I remember the first time I participated in an English competition. Three years ago, my classmates chose me to speak in an English competition at our school. When I went onstage, I had butterflies in my stomach. Suddenly, my mother’s words came back to me: “if you want to do something, it coasts nothing but self-confidence.” Since I was chosen to be there, it meant I must have the ability to succeed. “Take it easy”, I said silently. “You have prepared for this competition for three months. You are the best.” strangely, my nervousness vanished after I spoke to myself with such confidence. I began to speak on stage fluently—the feeling was wonderful. The whole audience applauded afterwards. I was successful!So, my friends, be confident!