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Don't wait. The time will never be just right.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It’s going to be hard, but hard does not mean impossible.读懂的生Great things never come from comfort zones.前古Wake up with determination. Go to bed with satisfaction.

人无让科Success is not final, failure is not fatal: It is the courage to continue that counts.意留Success is not final, failure is not fatal: It is the courage to continue that counts.

下的学Don’t stop when you’re tired. Stop when you’re done.

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

人无让科In the midst of winter, I found there was, within me, an invincible summer.意留You don’t have to be great to start, but you have to start to be great.

下的学Push yourself, because no one else is going to do it for you.读懂的生Don’t stop when you’re tired. Stop when you’re done.

(责任编辑：芝麻龙眼)