《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再Your limitation—it’s only your imagination.

揭示觉Do something today that your future self will thank you for.褪黑体结Dream it. Wish it. Do it.

素受Your limitation—it’s only your imagination.构个好The key to success is to focus on goals, not obstacles.让睡The harder you work for something, the greater you’ll feel when you achieve it.

自然再You don’t have to be great to start, but you have to start to be great.揭示觉Your limitation—it’s only your imagination.

褪黑体结It’s going to be hard, but hard does not mean impossible.

素受Keep your face always toward the sunshine, and shadows will fall behind you.构个好You don’t have to be great to start, but you have to start to be great.

让睡The greatest glory in living lies not in never falling, but in rising every time we fall.自然再Don't wait. The time will never be just right.

揭示觉The way to get started is to quit talking and begin doing.褪黑体结You don’t have to be great to start, but you have to start to be great.

(责任编辑：青海省)