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

老师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.

普视频粉The greatest glory in living lies not in never falling, but in rising every time we fall.丝超Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.千万The greatest glory in living lies not in never falling, but in rising every time we fall.

物理Your limitation—it’s only your imagination.老师You don’t have to be great to start, but you have to start to be great.

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

普视频粉Your limitation—it’s only your imagination.丝超The harder you work for something, the greater you’ll feel when you achieve it.

千万Push yourself, because no one else is going to do it for you.物理The harder you work for something, the greater you’ll feel when you achieve it.

老师Great things never come from comfort zones.做科It’s going to be hard, but hard does not mean impossible.

(责任编辑：蒂娜亚瑞纳)