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You don’t have to be great to start, but you have to start to be great.意留Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

下的学Success is not final, failure is not fatal: It is the courage to continue that counts.读懂的生Push yourself, because no one else is going to do it for you.前古Wake up with determination. Go to bed with satisfaction.

人无让科Do something today that your future self will thank you for.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It’s going to be hard, but hard does not mean impossible.前古The only way to do great work is to love what you do.

人无让科The harder you work for something, the greater you’ll feel when you achieve it.意留Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

下的学Your limitation—it’s only your imagination.读懂的生Dream it. Wish it. Do it.

(责任编辑：湘西土家族苗族自治州)