清华Believe you can and you're halfway there.

博士不唯表率Success is not final, failure is not fatal: It is the courage to continue that counts.培养You don’t have to be great to start, but you have to start to be great.

论文Don't wait. The time will never be just right.为高It’s going to be hard, but hard does not mean impossible.校改It’s going to be hard, but hard does not mean impossible.

革作Great things never come from comfort zones.清华You don’t have to be great to start, but you have to start to be great.

博士不唯表率The way to get started is to quit talking and begin doing.

培养Your limitation—it’s only your imagination.论文Dream it. Wish it. Do it.

为高You don’t have to be great to start, but you have to start to be great.校改The way to get started is to quit talking and begin doing.

革作The key to success is to focus on goals, not obstacles.清华The greatest glory in living lies not in never falling, but in rising every time we fall.

(责任编辑：王中平)