"我并不总是成功的，但我总是充满希望。我一直知道，只要我坚持不懈，尽我所能，我就会成功。"

Simplified Meaning:

Sometimes in life, things don't go the way you want them to, but it's important to never lose hope. Imagine trying to learn how to ride a bicycle. At first, you might fall a few times and get some scrapes. It feels discouraging and you might want to give up. But if you keep practicing, believing that you will eventually succeed, you'll get better each time. This quote is emphasizing the importance of hope and persistence. Even if you fail at first, if you continue to put in effort and keep working towards your goal, you will eventually succeed. For example, many famous inventors like Thomas Edison didn't create their great inventions overnight; they faced many failures. Instead of giving up, they kept trying, learning from their mistakes, and they eventually achieved success. So, if you are facing difficulties in school, work, or in any other part of your life, remember to keep going, keep trying, and believe that you can achieve your goals with perseverance and a positive mindset.