以下是一些具有勵志性質的英文句式，可供您參考和選擇：
1. "Believe in yourself and you can achieve anything."
2. "Life is like a box of chocolates, you never know what you're gonna get."
3. "Success is not final, failure is not fatal: It is the courage to continue that counts."
4. "Dream as big as you can dream. And dream again, and again, and again, until your dreams come true."
5. "The best time for success is now, when you are young, energetic and free to make mistakes and learn from them."
6. "Never give up, never surrender."
7. "Success is not a destination, but a journey. Keep moving forward towards your goals with courage and persistence."
8. "Success is not a linear journey, but a series of peaks and valleys. Keep your focus and keep going."
希望這些句式能夠激勵您，祝您在追求夢想的道路上取得成功！