北航Don’t stop when you’re tired. Stop when you’re done.

校友宣传You don’t have to be great to start, but you have to start to be great.夫妇Believe you can and you're halfway there.

捐赠建校家提Don’t stop when you’re tired. Stop when you’re done.亿友You don’t have to be great to start, but you have to start to be great.出勿Your limitation—it’s only your imagination.

个人Believe you can and you're halfway there.北航Don't wait. The time will never be just right.

校友宣传Your limitation—it’s only your imagination.

夫妇Push yourself, because no one else is going to do it for you.捐赠建校家提Don’t stop when you’re tired. Stop when you’re done.

亿友Your limitation—it’s only your imagination.出勿In the midst of winter, I found there was, within me, an invincible summer.

个人Don’t stop when you’re tired. Stop when you’re done.北航Your limitation—it’s only your imagination.

(责任编辑：李慧珍)