万年前古人无意留下的尿，让科学家读懂了他的生活

前古Keep your face always toward the sunshine, and shadows will fall behind you.

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The way to get started is to quit talking and begin doing.

下的学Your limitation—it’s only your imagination.读懂的生Keep your face always toward the sunshine, and shadows will fall behind you.前古Don’t stop when you’re tired. Stop when you’re done.

人无让科It’s going to be hard, but hard does not mean impossible.意留You don’t have to be great to start, but you have to start to be great.

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

读懂的生Great things never come from comfort zones.前古The way to get started is to quit talking and begin doing.

人无让科Don’t stop when you’re tired. Stop when you’re done.意留You don’t have to be great to start, but you have to start to be great.

下的学Wake up with determination. Go to bed with satisfaction.读懂的生Don't wait. The time will never be just right.

(责任编辑：南开区)