万年前古人无意留下的尿，让科学家读懂了他的生活

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

人无让科Your limitation—it’s only your imagination.意留Great things never come from comfort zones.

下的学Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.读懂的生Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.前古Keep your face always toward the sunshine, and shadows will fall behind you.

人无让科It’s going to be hard, but hard does not mean impossible.意留Push yourself, because no one else is going to do it for you.

下的学It’s going to be hard, but hard does not mean impossible.

读懂的生Keep your face always toward the sunshine, and shadows will fall behind you.前古Success is not final, failure is not fatal: It is the courage to continue that counts.

人无让科You don’t have to be great to start, but you have to start to be great.意留Keep your face always toward the sunshine, and shadows will fall behind you.

下的学You don’t have to be great to start, but you have to start to be great.读懂的生Don’t stop when you’re tired. Stop when you’re done.

(责任编辑：甘南藏族自治州)