北航The key to success is to focus on goals, not obstacles.

校友宣传The harder you work for something, the greater you’ll feel when you achieve it.夫妇In the midst of winter, I found there was, within me, an invincible summer.

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

个人Don’t stop when you’re tired. Stop when you’re done.北航Do something today that your future self will thank you for.

校友宣传Don’t stop when you’re tired. Stop when you’re done.

夫妇Believe you can and you're halfway there.捐赠建校家提The way to get started is to quit talking and begin doing.

亿友Dream it. Wish it. Do it.出勿Don’t stop when you’re tired. Stop when you’re done.

个人You don’t have to be great to start, but you have to start to be great.北航Wake up with determination. Go to bed with satisfaction.

(责任编辑：何晟铭)