物理网红Don’t stop when you’re tired. Stop when you’re done.

老师Believe you can and you're halfway there.成现Wake up with determination. Go to bed with satisfaction.

象级In the midst of winter, I found there was, within me, an invincible summer.做科You don’t have to be great to start, but you have to start to be great.普视频The harder you work for something, the greater you’ll feel when you achieve it.

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

千万The harder you work for something, the greater you’ll feel when you achieve it.

物理网红Your limitation—it’s only your imagination.老师The way to get started is to quit talking and begin doing.

成现Keep your face always toward the sunshine, and shadows will fall behind you.象级Dream it. Wish it. Do it.

做科Push yourself, because no one else is going to do it for you.普视频Don't wait. The time will never be just right.