以下是一些堅持的英文佳句：
1. "Persevere in the face of adversity."
2. "Stick to your guns and don't let setbacks discourage you."
3. "Believe in yourself and never give up."
4. "Persistence is key to success."
5. "Keep going and don't let anything stop you."
6. "Grit your teeth and keep going."
7. "Never give up on what you really want to do."
8. "Persist until you succeed."
9. "Keep pushing forward, even when it seems impossible."
10. "Belief and persistence lead to success."
希望這些英文佳句能夠幫助到您，祝您堅持到底，取得成功！