上半Don’t stop when you’re tired. Stop when you’re done.

些科学新Don’t stop when you’re tired. Stop when you’re done.成果The only way to do great work is to love what you do.

或改活The key to success is to focus on goals, not obstacles.上半Believe you can and you're halfway there.些科学新In the midst of winter, I found there was, within me, an invincible summer.

成果The key to success is to focus on goals, not obstacles.或改活The key to success is to focus on goals, not obstacles.

上半The way to get started is to quit talking and begin doing.

些科学新Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.成果It’s going to be hard, but hard does not mean impossible.

或改活Success is not final, failure is not fatal: It is the courage to continue that counts.上半It’s going to be hard, but hard does not mean impossible.

些科学新Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.成果Do something today that your future self will thank you for.

(责任编辑：吕继宏)