以下是一些勵志的英文短句：
1. Never give up, never lose hope.
2. Dream what you want to dream, go after it, seize it with both hands.
3. Challenge is the key to success.
4. Never let tomorrow occupy what you are doing today.
5. In life, success is not the the reward for having arrived, but the consequence of trying to go further.
6. Persistence is key to success.
7. It is the continuous pursuit of goals and ideals that makes life worthwhile.
8. Keep your feet on the ground and keep reaching for the stars at the same time.
9. Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
10. The best way to predict the future is to create it yourself.
希望這些勵志的英文短句能夠對你有所幫助！