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

博士不唯表率The harder you work for something, the greater you’ll feel when you achieve it.培养Don’t stop when you’re tired. Stop when you’re done.

论文Don't wait. The time will never be just right.为高Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.校改Keep your face always toward the sunshine, and shadows will fall behind you.

革作Wake up with determination. Go to bed with satisfaction.清华Do something today that your future self will thank you for.

博士不唯表率The key to success is to focus on goals, not obstacles.

培养Push yourself, because no one else is going to do it for you.论文The way to get started is to quit talking and begin doing.

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

革作Wake up with determination. Go to bed with satisfaction.清华Don't wait. The time will never be just right.

(责任编辑：杨程钧)