以下是關於努力的英文格言：
1. "Effort is the key to success."
2. "Nothing is impossible with hard work."
3. "Success is not achieved in a moment, it is the result of consistent effort."
4. "Opportunities are missed when one is frittering away his or her time in futile efforts."
5. "Perseverance is the key to unlock the power within."
6. "The road to success is paved with failures, but it is the failures that make us stronger and more determined."
7. "Success is not a destination, but a journey. The key to this journey is continuous effort."
8. "Hard work beats talent when talent doesn't work hard."
9. "The harder you work, the luckier you get."
10. "The best way to predict the future is to create it yourself."
希望這些格言可以給你帶來一些啟發和鼓勵。