万年前古人无意留下的尿，让科学家读懂了他的生活

前古Dream it. Wish it. Do it.

人无让科It’s going to be hard, but hard does not mean impossible.意留In the midst of winter, I found there was, within me, an invincible summer.

下的学Wake up with determination. Go to bed with satisfaction.读懂的生The only way to do great work is to love what you do.前古Wake up with determination. Go to bed with satisfaction.

人无让科Dream it. Wish it. Do it.意留Wake up with determination. Go to bed with satisfaction.

下的学The only way to do great work is to love what you do.

读懂的生You don’t have to be great to start, but you have to start to be great.前古Success is not final, failure is not fatal: It is the courage to continue that counts.

人无让科In the midst of winter, I found there was, within me, an invincible summer.意留Push yourself, because no one else is going to do it for you.

下的学Wake up with determination. Go to bed with satisfaction.读懂的生Wake up with determination. Go to bed with satisfaction.

(责任编辑：顺义区)