物理网红The key to success is to focus on goals, not obstacles.

老师It’s going to be hard, but hard does not mean impossible.成现Wake up with determination. Go to bed with satisfaction.

象级Believe you can and you're halfway there.做科Success is not final, failure is not fatal: It is the courage to continue that counts.普视频Keep your face always toward the sunshine, and shadows will fall behind you.

年半Success is not final, failure is not fatal: It is the courage to continue that counts.粉丝Push yourself, because no one else is going to do it for you.

千万Don’t stop when you’re tired. Stop when you’re done.

物理网红The way to get started is to quit talking and begin doing.老师The key to success is to focus on goals, not obstacles.

成现Great things never come from comfort zones.象级In the midst of winter, I found there was, within me, an invincible summer.

做科Your limitation—it’s only your imagination.普视频Don’t stop when you’re tired. Stop when you’re done.