以下是自信的英文名言：
1. Success is not final, failure is not fatal: It is the courage to continue that counts.
成功不是終點，失敗也不是致命的：繼續前行的勇氣才是最重要的。
2. A man is not old as long as he is seeking something. A man is not old until regrets take the place of dreams.
只要一個人還有追求，他就沒有老。直到後悔取代了夢想，一個人才算老。
3. I am the master of my fate, I shall never be slaves of any man.
我的命運由我自己掌握，我永遠不會成為任何人的奴隸。
4. You have to believe in yourself. That's the secret of success.
你必須相信自己，這是成功的關鍵。
5. Courage is necessary because it enables us to move beyond what we know and to act on what we believe.
我們需要勇氣，因為勇氣能幫助我們超越已知，根據我們所相信的採取行動。
6. Success is not final, failure is not fatal: It is the courage to continue that counts. (Winston Churchill)
成功不是終點，失敗不是致命的：重要的是繼續前行的勇氣。
希望這些名言能夠幫助你找到自信和動力！