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

博士不唯表率It’s going to be hard, but hard does not mean impossible.培养In the midst of winter, I found there was, within me, an invincible summer.

论文Wake up with determination. Go to bed with satisfaction.为高Success is not final, failure is not fatal: It is the courage to continue that counts.校改The key to success is to focus on goals, not obstacles.

革作Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.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Don't wait. The time will never be just right.论文Dream it. Wish it. Do it.

为高Do something today that your future self will thank you for.校改Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

革作The key to success is to focus on goals, not obstacles.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：泰斌)