以下是一些正能量的英文佳句：
1. Keep your face to the sunshine and you shall never hear the cry of the poor.
2. Courage is like love, it must be learned.
3. Each man is the author of his own fortune.
4. Do what you can, with what you have, where you are.
5. Don't aim for success if you want it; just do what you love and love what you do, which is the key to success.
6. Envy is a negative emotion. It suggests a lack of something to the observing mind. If you have it, it's because you want it badly too. The secret of success is not in strength, speed, intelligence, or anything like that, but in the relentless focus on getting the job done, on achieving your goal, on attaining your dream.
7. Get busy lifting yourself up or you'll have to get busy accepting failure.
8. Having a positive attitude and staying motivated are essential to achieving all your goals and dreams in life.
9. Life isn't about waiting for the storm to pass, it's about learning from it and showing up on the other side stronger and better.
10. Look at the world through clouded windows and you'll see rain; look at the world through clear windows and you'll enjoy sunshine.
這些句子鼓勵人們保持積極的態度，不斷激勵自己，克服困難，迎接挑戰，並從經歷中學習和成長。它們都是正能量的表達，可以幫助人們更好地面對生活的挑戰。