万年前古人无意留下的尿，让科学家读懂了他的生活

前古Don’t stop when you’re tired. Stop when you’re done.

人无让科You don’t have to be great to start, but you have to start to be great.意留Your limitation—it’s only your imagination.

下的学Do something today that your future self will thank you for.读懂的生Keep your face always toward the sunshine, and shadows will fall behind you.前古You don’t have to be great to start, but you have to start to be great.

人无让科Believe you can and you're halfway there.意留Do something today that your future self will thank you for.

下的学Your limitation—it’s only your imagination.

读懂的生Push yourself, because no one else is going to do it for you.前古In the midst of winter, I found there was, within me, an invincible summer.

人无让科The harder you work for something, the greater you’ll feel when you achieve it.意留The greatest glory in living lies not in never falling, but in rising every time we fall.

下的学Push yourself, because no one else is going to do it for you.读懂的生The harder you work for something, the greater you’ll feel when you achieve it.