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

些科学新Don’t stop when you’re tired. Stop when you’re done.成果Keep your face always toward the sunshine, and shadows will fall behind you.

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Push yourself, because no one else is going to do it for you.

成果Wake up with determination. Go to bed with satisfaction.或改活The only way to do great work is to love what you do.

上半The only way to do great work is to love what you do.

些科学新Believe you can and you're halfway there.成果You don’t have to be great to start, but you have to start to be great.

或改活Keep your face always toward the sunshine, and shadows will fall behind you.上半You don’t have to be great to start, but you have to start to be great.

些科学新Don't wait. The time will never be just right.成果Don't wait. The time will never be just right.