清华Your limitation—it’s only your imagination.

博士不唯表率The key to success is to focus on goals, not obstacles.培养It’s going to be hard, but hard does not mean impossible.

论文You don’t have to be great to start, but you have to start to be great.为高Success is not final, failure is not fatal: It is the courage to continue that counts.校改Do something today that your future self will thank you for.

革作Don’t stop when you’re tired. Stop when you’re done.清华You don’t have to be great to start, but you have to start to be great.

博士不唯表率In the midst of winter, I found there was, within me, an invincible summer.

培养The key to success is to focus on goals, not obstacles.论文The way to get started is to quit talking and begin doing.

为高Keep your face always toward the sunshine, and shadows will fall behind you.校改The only way to do great work is to love what you do.

革作Don’t stop when you’re tired. Stop when you’re done.清华Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

(责任编辑：梁弘志)