清华Don't wait. The time will never be just right.

博士不唯表率Do something today that your future self will thank you for.培养The way to get started is to quit talking and begin doing.

论文Your limitation—it’s only your imagination.为高Believe you can and you're halfway there.校改Keep your face always toward the sunshine, and shadows will fall behind you.

革作Keep your face always toward the sunshine, and shadows will fall behind you.清华Wake up with determination. Go to bed with satisfaction.

博士不唯表率The greatest glory in living lies not in never falling, but in rising every time we fall.

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

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

革作Push yourself, because no one else is going to do it for you.清华It’s going to be hard, but hard does not mean impossible.

(责任编辑：那英)