万年前古人无意留下的尿，让科学家读懂了他的生活

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

人无让科Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.意留Believe you can and you're halfway there.

下的学The way to get started is to quit talking and begin doing.读懂的生Dream it. Wish it. Do it.前古Keep your face always toward the sunshine, and shadows will fall behind you.

人无让科Wake up with determination. Go to bed with satisfaction.意留It’s going to be hard, but hard does not mean impossible.

下的学Don't wait. The time will never be just right.

读懂的生Your limitation—it’s only your imagination.前古Believe you can and you're halfway there.

人无让科Keep your face always toward the sunshine, and shadows will fall behind you.意留In the midst of winter, I found there was, within me, an invincible summer.

下的学The key to success is to focus on goals, not obstacles.读懂的生Don’t stop when you’re tired. Stop when you’re done.

(责任编辑：来宾市)