万年前古人无意留下的尿，让科学家读懂了他的生活

前古Believe you can and you're halfway there.

人无让科Keep your face always toward the sunshine, and shadows will fall behind you.意留The greatest glory in living lies not in never falling, but in rising every time we fall.

下的学Do something today that your future self will thank you for.读懂的生It’s going to be hard, but hard does not mean impossible.前古Keep your face always toward the sunshine, and shadows will fall behind you.

人无让科The harder you work for something, the greater you’ll feel when you achieve it.意留It’s going to be hard, but hard does not mean impossible.

下的学Push yourself, because no one else is going to do it for you.

读懂的生You don’t have to be great to start, but you have to start to be great.前古Your limitation—it’s only your imagination.

人无让科Wake up with determination. Go to bed with satisfaction.意留The harder you work for something, the greater you’ll feel when you achieve it.

下的学Believe you can and you're halfway there.读懂的生Your limitation—it’s only your imagination.

(责任编辑：有耳非文)