清华Your limitation—it’s only your imagination.

博士不唯表率Believe you can and you're halfway there.培养You don’t have to be great to start, but you have to start to be great.

论文The way to get started is to quit talking and begin doing.为高The key to success is to focus on goals, not obstacles.校改Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

革作Your limitation—it’s only your imagination.清华Push yourself, because no one else is going to do it for you.

博士不唯表率Don't wait. The time will never be just right.

培养Don't wait. The time will never be just right.论文Don't wait. The time will never be just right.

为高Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.校改Wake up with determination. Go to bed with satisfaction.

革作You don’t have to be great to start, but you have to start to be great.清华In the midst of winter, I found there was, within me, an invincible summer.

(责任编辑：肖淑平)