以下是一些激勵自己的英文句子：
1. Keep your face to the sunshine and you shall never suffer long in this world.
2. Success is not final, failure is not fatal: It is the courage to continue that counts.
3. I'm going to do the best I can and not worry about what others think of me.
4. Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
5. Keep your eyes on the stars, and your feet on the ground.
6. Believe in yourself and never give up.
7. Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will succeed.
8. Life is like a box of chocolates, you never know what you're gonna get. Be positive and make the best out of it.
9. Success is not final, failure is not fatal: It is the courage to continue that counts.
10. You have to believe in yourself. That's the secret of success.
這些句子鼓勵人們面對挑戰、追求目標，同時也強調了堅持和積極態度的重要性。希望這些句子能夠幫助你找到動力和信心。