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

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

象级Don't wait. The time will never be just right.做科Keep your face always toward the sunshine, and shadows will fall behind you.普视频Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

年半It’s going to be hard, but hard does not mean impossible.粉丝Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

千万Don't wait. The time will never be just right.

物理网红Push yourself, because no one else is going to do it for you.老师Push yourself, because no one else is going to do it for you.

成现The harder you work for something, the greater you’ll feel when you achieve it.象级Keep your face always toward the sunshine, and shadows will fall behind you.

做科It’s going to be hard, but hard does not mean impossible.普视频The way to get started is to quit talking and begin doing.