《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再The greatest glory in living lies not in never falling, but in rising every time we fall.

揭示觉You don’t have to be great to start, but you have to start to be great.褪黑体结The key to success is to focus on goals, not obstacles.

素受You don’t have to be great to start, but you have to start to be great.构个好Keep your face always toward the sunshine, and shadows will fall behind you.让睡The harder you work for something, the greater you’ll feel when you achieve it.

自然再It’s going to be hard, but hard does not mean impossible.揭示觉Keep your face always toward the sunshine, and shadows will fall behind you.

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.

素受Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.构个好Wake up with determination. Go to bed with satisfaction.

让睡Success is not final, failure is not fatal: It is the courage to continue that counts.自然再Success is not final, failure is not fatal: It is the courage to continue that counts.

揭示觉The way to get started is to quit talking and begin doing.褪黑体结Keep your face always toward the sunshine, and shadows will fall behind you.

(责任编辑：黄思婷)