上半The key to success is to focus on goals, not obstacles.

些科学新The only way to do great work is to love what you do.成果Don't wait. The time will never be just right.

或改活Believe you can and you're halfway there.上半It’s going to be hard, but hard does not mean impossible.些科学新Great things never come from comfort zones.

成果Great things never come from comfort zones.或改活Wake up with determination. Go to bed with satisfaction.

上半The harder you work for something, the greater you’ll feel when you achieve it.

些科学新Keep your face always toward the sunshine, and shadows will fall behind you.成果Don't wait. The time will never be just right.

或改活Success is not final, failure is not fatal: It is the courage to continue that counts.上半Don’t stop when you’re tired. Stop when you’re done.

些科学新It’s going to be hard, but hard does not mean impossible.成果Believe you can and you're halfway there.

(责任编辑：李文)