People say that self-confidence is half of the success that can bring you courage to stick to what you do. Without self-confidence, one can not do well in anything.  Self-confidence is of great importance and value to a person.

人們說自信是成功的一半，它能給你帶來勇氣去堅持你所做的事。沒有自信，一個人就不能做好任何事。自信對一個人很重要也很有價值。

Firstly, self-confidence enables us to have the ambition of being successful. Only when you have the ambition to be successful, can you be successful eventually. Secondly, once we gain self-confidence, we will possess the courage and strength to overcome the setbacks and difficulties. With self-confidence, no one and nothing can stop you to success.Thirdly, with self-confidence we may accomplish something which seems to be impossible previously. No great thing is easy for us, therefore we should hold the idea that anything is possible. We should, or have to trust in ourselves.

首先，自信使我們擁有成功的雄心。只有當你有成功的野心的時候，你最后才能成功。其次，一旦我們獲得了自信，我們就擁有了勇氣和力量去克服挫折和困難。有了自信，沒有人也沒有什么能夠阻止你成功。再次，有了自信我們可能實現一些以前看起來不可能的事。沒有什么大事對我們是容易的，因此我們應該相信一切皆有可能。我們應該，或者必須相信自己。

In short, self-confidence is the spiritual pillar of a person as well as the inherent power, which is of great importance and value to a person.

總之，自信是一個人的精神支柱也是一個人的內在力量，它對一個人很重要也很有價值。