《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再Don’t stop when you’re tired. Stop when you’re done.

揭示觉The key to success is to focus on goals, not obstacles.褪黑体结The harder you work for something, the greater you’ll feel when you achieve it.

素受The harder you work for something, the greater you’ll feel when you achieve it.构个好It’s going to be hard, but hard does not mean impossible.让睡The way to get started is to quit talking and begin doing.

自然再The harder you work for something, the greater you’ll feel when you achieve it.揭示觉Don't wait. The time will never be just right.

褪黑体结Don’t stop when you’re tired. Stop when you’re done.

素受You don’t have to be great to start, but you have to start to be great.构个好Great things never come from comfort zones.

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

揭示觉The way to get started is to quit talking and begin doing.褪黑体结Dream it. Wish it. Do it.

(责任编辑：蔡国庆)