以下是一些困難的英語名言：
1. Difficulties strengthen those who endure them. - Ralph Waldo Emerson
2. A problem is just a test for a solution. - Ralph Waldo Emerson
3. Difficulties are opportunities waiting to happen. - Zig Ziglar
4. Success is not final, failure is not fatal: It is the courage to continue that counts. - Winston Churchill
5. The important thing is not to stop questioning. - Albert Einstein
6. The greatest glory in living lies not in never falling, but in rising every time we fall. - Nelson Mandela
7. Success is not final, failure is not fatal: It is the courage to continue that counts. - Thomas Alva Edison
這些名言都強調了面對困難和挑戰的重要性，以及堅持不懈和持續努力的精神。