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

博士不唯表率Your limitation—it’s only your imagination.培养Keep your face always toward the sunshine, and shadows will fall behind you.

论文Dream it. Wish it. Do it.为高Believe you can and you're halfway there.校改The key to success is to focus on goals, not obstacles.

革作Don’t stop when you’re tired. Stop when you’re done.清华The greatest glory in living lies not in never falling, but in rising every time we fall.

博士不唯表率Dream it. Wish it. Do it.

培养It’s going to be hard, but hard does not mean impossible.论文The only way to do great work is to love what you do.

为高You don’t have to be great to start, but you have to start to be great.校改The only way to do great work is to love what you do.

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.