清华It’s going to be hard, but hard does not mean impossible.

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

院育行Keep your face always toward the sunshine, and shadows will fall behind you.带动探The only way to do great work is to love what you do.索成In the midst of winter, I found there was, within me, an invincible summer.

效显Wake up with determination. Go to bed with satisfaction.清华The harder you work for something, the greater you’ll feel when you achieve it.

口金Do something today that your future self will thank you for.

融学Wake up with determination. Go to bed with satisfaction.院育行Don't wait. The time will never be just right.

带动探Push yourself, because no one else is going to do it for you.索成Success is not final, failure is not fatal: It is the courage to continue that counts.

效显The way to get started is to quit talking and begin doing.清华The key to success is to focus on goals, not obstacles.

(责任编辑：麒龙)