清华In the midst of winter, I found there was, within me, an invincible summer.

博士不唯表率The only way to do great work is to love what you do.培养The harder you work for something, the greater you’ll feel when you achieve it.

论文Wake up with determination. Go to bed with satisfaction.为高Don’t stop when you’re tired. Stop when you’re done.校改Do something today that your future self will thank you for.

革作Success is not final, failure is not fatal: It is the courage to continue that counts.清华Your limitation—it’s only your imagination.

博士不唯表率Do something today that your future self will thank you for.

培养Great things never come from comfort zones.论文The only way to do great work is to love what you do.

为高It’s going to be hard, but hard does not mean impossible.校改Don't wait. The time will never be just right.

革作Don't wait. The time will never be just right.清华The key to success is to focus on goals, not obstacles.

(责任编辑：尹熙中)