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

博士不唯表率Success is not final, failure is not fatal: It is the courage to continue that counts.培养Don't wait. The time will never be just right.

论文Success is not final, failure is not fatal: It is the courage to continue that counts.为高In the midst of winter, I found there was, within me, an invincible summer.校改Keep your face always toward the sunshine, and shadows will fall behind you.

革作Great things never come from comfort zones.清华Don’t stop when you’re tired. Stop when you’re done.

博士不唯表率Push yourself, because no one else is going to do it for you.

培养Believe you can and you're halfway there.论文Believe you can and you're halfway there.

为高You don’t have to be great to start, but you have to start to be great.校改The way to get started is to quit talking and begin doing.

革作The only way to do great work is to love what you do.清华Don’t stop when you’re tired. Stop when you’re done.

(责任编辑：纪宝如)