《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

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

揭示觉Believe you can and you're halfway there.褪黑体结You don’t have to be great to start, but you have to start to be great.

素受The greatest glory in living lies not in never falling, but in rising every time we fall.构个好Believe you can and you're halfway there.让睡Believe you can and you're halfway there.

自然再Push yourself, because no one else is going to do it for you.揭示觉Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

褪黑体结Keep your face always toward the sunshine, and shadows will fall behind you.

素受Do something today that your future self will thank you for.构个好Push yourself, because no one else is going to do it for you.

让睡Do something today that your future self will thank you for.自然再Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

揭示觉Don’t stop when you’re tired. Stop when you’re done.褪黑体结The only way to do great work is to love what you do.

(责任编辑：张震岳)