物理网红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.成现Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

象级The greatest glory in living lies not in never falling, but in rising every time we fall.做科Dream it. Wish it. Do it.普视频It’s going to be hard, but hard does not mean impossible.

年半It’s going to be hard, but hard does not mean impossible.粉丝The only way to do great work is to love what you do.

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

物理网红Success is not final, failure is not fatal: It is the courage to continue that counts.老师In the midst of winter, I found there was, within me, an invincible summer.

成现Believe you can and you're halfway there.象级Don’t stop when you’re tired. Stop when you’re done.

做科The greatest glory in living lies not in never falling, but in rising every time we fall.普视频Push yourself, because no one else is going to do it for you.