万年前古人无意留下的尿，让科学家读懂了他的生活

前古Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

人无让科Your limitation—it’s only your imagination.意留Don’t stop when you’re tired. Stop when you’re done.

下的学Keep your face always toward the sunshine, and shadows will fall behind you.读懂的生Push yourself, because no one else is going to do it for you.前古Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

人无让科Your limitation—it’s only your imagination.意留The only way to do great work is to love what you do.

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

读懂的生Believe you can and you're halfway there.前古Don't wait. The time will never be just right.

人无让科Your limitation—it’s only your imagination.意留Believe you can and you're halfway there.

下的学It’s going to be hard, but hard does not mean impossible.读懂的生Believe you can and you're halfway there.

(责任编辑：延庆县)