《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Wake up with determination. Go to bed with satisfaction.构个好It’s going to be hard, but hard does not mean impossible.让睡Success is not final, failure is not fatal: It is the courage to continue that counts.

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

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

素受The greatest glory in living lies not in never falling, but in rising every time we fall.构个好Success is not final, failure is not fatal: It is the courage to continue that counts.

让睡Don't wait. The time will never be just right.自然再Don’t stop when you’re tired. Stop when you’re done.

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The only way to do great work is to love what you do.

(责任编辑：飞轮海)