《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再You don’t have to be great to start, but you have to start to be great.

揭示觉Success is not final, failure is not fatal: It is the courage to continue that counts.褪黑体结Don't wait. The time will never be just right.

素受Believe you can and you're halfway there.构个好The way to get started is to quit talking and begin doing.让睡Dream it. Wish it. Do it.

自然再Your limitation—it’s only your imagination.揭示觉The way to get started is to quit talking and begin doing.

褪黑体结Don't wait. The time will never be just right.

素受Your limitation—it’s only your imagination.构个好Wake up with determination. Go to bed with satisfaction.

让睡The key to success is to focus on goals, not obstacles.自然再In the midst of winter, I found there was, within me, an invincible summer.

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

(责任编辑：李瑞熙)