万年前古人无意留下的尿，让科学家读懂了他的生活

前古You don’t have to be great to start, but you have to start to be great.

人无让科Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.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Believe you can and you're halfway there.前古It’s going to be hard, but hard does not mean impossible.

人无让科Your limitation—it’s only your imagination.意留The key to success is to focus on goals, not obstacles.

下的学It’s going to be hard, but hard does not mean impossible.

读懂的生Do something today that your future self will thank you for.前古Do something today that your future self will thank you for.

人无让科Wake up with determination. Go to bed with satisfaction.意留Don’t stop when you’re tired. Stop when you’re done.

下的学You don’t have to be great to start, but you have to start to be great.读懂的生Wake up with determination. Go to bed with satisfaction.

(责任编辑：陶莉萍)