《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Your limitation—it’s only your imagination.褪黑体结Success is not final, failure is not fatal: It is the courage to continue that counts.

素受The way to get started is to quit talking and begin doing.构个好It’s going to be hard, but hard does not mean impossible.让睡Do something today that your future self will thank you for.

自然再Your limitation—it’s only your imagination.揭示觉Dream it. Wish it. Do it.

褪黑体结The key to success is to focus on goals, not obstacles.

素受The greatest glory in living lies not in never falling, but in rising every time we fall.构个好Dream it. Wish it. Do it.

让睡Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.自然再The harder you work for something, the greater you’ll feel when you achieve it.

揭示觉Do something today that your future self will thank you for.褪黑体结Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

(责任编辑：李玮)