以下是一些英文名言，它們具有正能量：
1. "Life is like a box of chocolates, you never know what you're gonna get." - Colonel Sanders
2. "Success is not final, failure is not fatal: It is the courage to continue that counts." - Winston Churchill
3. "Everybody has a plan until they get punched in the mouth." - Mike Tyson
4. "Opportunities are like waves in the ocean; some are big and some are small, but they are all there waiting to be taken." - Unknown
5. "You miss 100% of the shots you don't take." - Wayne Gretzky
6. "The key to success is not so much speed as it is commitment." - Anonymous
7. "If you want to live your life on the sidelines, that's fine, but don't complain when you don't get a chance to play." - Anonymous
8. "Life is 10% what happens to you and 90% how you respond to it." - Zig Ziglar
這些名言都表達了積極、樂觀和決心追求自己目標的情感，可以激勵人們在面對困難和挑戰時保持勇氣和信心。