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Push yourself, because no one else is going to do it for you.意留Your limitation—it’s only your imagination.

下的学You don’t have to be great to start, but you have to start to be great.读懂的生The harder you work for something, the greater you’ll feel when you achieve it.前古Keep your face always toward the sunshine, and shadows will fall behind you.

人无让科The key to success is to focus on goals, not obstacles.意留Keep your face always toward the sunshine, and shadows will fall behind you.

下的学Believe you can and you're halfway there.

读懂的生Don’t stop when you’re tired. Stop when you’re done.前古The only way to do great work is to love what you do.

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

下的学The harder you work for something, the greater you’ll feel when you achieve it.读懂的生Wake up with determination. Go to bed with satisfaction.

(责任编辑：刘玉翠)