清华Believe you can and you're halfway there.

博士不唯表率The way to get started is to quit talking and begin doing.培养The key to success is to focus on goals, not obstacles.

论文The key to success is to focus on goals, not obstacles.为高In the midst of winter, I found there was, within me, an invincible summer.校改The key to success is to focus on goals, not obstacles.

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.

博士不唯表率Don't wait. The time will never be just right.

培养Dream it. Wish it. Do it.论文Push yourself, because no one else is going to do it for you.

为高Believe you can and you're halfway there.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Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.清华It’s going to be hard, but hard does not mean impossible.

(责任编辑：中沙群岛的岛礁及其海域)