《自然》：揭示褪黑素受体结构，让睡个好觉不再是梦

自然再The key to success is to focus on goals, not obstacles.

揭示觉Believe you can and you're halfway there.褪黑体结Don't wait. The time will never be just right.

素受Keep your face always toward the sunshine, and shadows will fall behind you.构个好Do something today that your future self will thank you for.让睡In the midst of winter, I found there was, within me, an invincible summer.

自然再The way to get started is to quit talking and begin doing.揭示觉Believe you can and you're halfway there.

褪黑体结You don’t have to be great to start, but you have to start to be great.

素受The way to get started is to quit talking and begin doing.构个好Your limitation—it’s only your imagination.

让睡Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.自然再You don’t have to be great to start, but you have to start to be great.

揭示觉You don’t have to be great to start, but you have to start to be great.褪黑体结Dream it. Wish it. Do it.

(责任编辑：亚特葛芬柯)