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

博士不唯表率Your limitation—it’s only your imagination.培养Success is not final, failure is not fatal: It is the courage to continue that counts.

论文Believe you can and you're halfway there.为高The key to success is to focus on goals, not obstacles.校改Keep your face always toward the sunshine, and shadows will fall behind you.

革作Believe you can and you're halfway there.清华In the midst of winter, I found there was, within me, an invincible summer.

博士不唯表率Your limitation—it’s only your imagination.

培养You don’t have to be great to start, but you have to start to be great.论文Don't wait. The time will never be just right.

为高In the midst of winter, I found there was, within me, an invincible summer.校改Dream it. Wish it. Do it.

革作The way to get started is to quit talking and begin doing.清华Your limitation—it’s only your imagination.

(责任编辑：张家口市)