《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Believe you can and you're halfway there.褪黑体结Your limitation—it’s only your imagination.

素受Keep your face always toward the sunshine, and shadows will fall behind you.构个好Don’t stop when you’re tired. Stop when you’re done.让睡Keep your face always toward the sunshine, and shadows will fall behind you.

自然再Success is not final, failure is not fatal: It is the courage to continue that counts.揭示觉Wake up with determination. Go to bed with satisfaction.

褪黑体结Do something today that your future self will thank you for.

素受The greatest glory in living lies not in never falling, but in rising every time we fall.构个好Your limitation—it’s only your imagination.

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Keep your face always toward the sunshine, and shadows will fall behind you.褪黑体结Push yourself, because no one else is going to do it for you.

(责任编辑：圣洁凡蕾丝)