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

房成Believe you can and you're halfway there.阳春4月The key to success is to focus on goals, not obstacles.

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

阳春4月Don't wait. The time will never be just right.难再The only way to do great work is to love what you do.

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

房成Keep your face always toward the sunshine, and shadows will fall behind you.阳春4月Push yourself, because no one else is going to do it for you.

难再The way to get started is to quit talking and begin doing.北京Keep your face always toward the sunshine, and shadows will fall behind you.

房成Dream it. Wish it. Do it.阳春4月Wake up with determination. Go to bed with satisfaction.

(责任编辑：潘云峰)