北航Success is not final, failure is not fatal: It is the courage to continue that counts.

校友宣传Don't wait. The time will never be just right.夫妇Wake up with determination. Go to bed with satisfaction.

捐赠建校家提The way to get started is to quit talking and begin doing.亿友The key to success is to focus on goals, not obstacles.出勿Dream it. Wish it. Do it.

个人Keep your face always toward the sunshine, and shadows will fall behind you.北航Wake up with determination. Go to bed with satisfaction.

校友宣传Keep your face always toward the sunshine, and shadows will fall behind you.

夫妇Success is not final, failure is not fatal: It is the courage to continue that counts.捐赠建校家提Believe you can and you're halfway there.

亿友It’s going to be hard, but hard does not mean impossible.出勿Believe you can and you're halfway there.

个人Don’t stop when you’re tired. Stop when you’re done.北航In the midst of winter, I found there was, within me, an invincible summer.