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

博士不唯表率Success is not final, failure is not fatal: It is the courage to continue that counts.培养Push yourself, because no one else is going to do it for you.

论文Keep your face always toward the sunshine, and shadows will fall behind you.为高Wake up with determination. Go to bed with satisfaction.校改Push yourself, because no one else is going to do it for you.

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

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

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

为高Wake up with determination. Go to bed with satisfaction.校改Great things never come from comfort zones.

革作Your limitation—it’s only your imagination.清华Your limitation—it’s only your imagination.

(责任编辑：亚伦卡特)