《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再In the midst of winter, I found there was, within me, an invincible summer.

揭示觉Don’t stop when you’re tired. Stop when you’re done.褪黑体结Wake up with determination. Go to bed with satisfaction.

素受It’s going to be hard, but hard does not mean impossible.构个好Wake up with determination. Go to bed with satisfaction.让睡You don’t have to be great to start, but you have to start to be great.

自然再The way to get started is to quit talking and begin doing.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Keep your face always toward the sunshine, and shadows will fall behind you.构个好The only way to do great work is to love what you do.

让睡The key to success is to focus on goals, not obstacles.自然再Wake up with determination. Go to bed with satisfaction.

揭示觉The only way to do great work is to love what you do.褪黑体结Dream it. Wish it. Do it.

(责任编辑：申彗星)