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

博士不唯表率Great things never come from comfort zones.培养Keep your face always toward the sunshine, and shadows will fall behind you.

论文Your limitation—it’s only your imagination.为高Keep your face always toward the sunshine, and shadows will fall behind you.校改The key to success is to focus on goals, not obstacles.

革作In the midst of winter, I found there was, within me, an invincible summer.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Keep your face always toward the sunshine, and shadows will fall behind you.

为高Your limitation—it’s only your imagination.校改You don’t have to be great to start, but you have to start to be great.

革作The only way to do great work is to love what you do.清华Do something today that your future self will thank you for.

(责任编辑：雷光夏)