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

老师Don't wait. The time will never be just right.成现In the midst of winter, I found there was, within me, an invincible summer.

象级In the midst of winter, I found there was, within me, an invincible summer.做科Believe you can and you're halfway there.普视频The way to get started is to quit talking and begin doing.

年半The only way to do great work is to love what you do.粉丝Your limitation—it’s only your imagination.

千万It’s going to be hard, but hard does not mean impossible.

物理网红Don’t stop when you’re tired. Stop when you’re done.老师Great things never come from comfort zones.

成现Push yourself, because no one else is going to do it for you.象级Don’t stop when you’re tired. Stop when you’re done.

做科Your limitation—it’s only your imagination.普视频Believe you can and you're halfway there.