万年前古人无意留下的尿，让科学家读懂了他的生活

前古The key to success is to focus on goals, not obstacles.

人无让科Do something today that your future self will thank you for.意留The way to get started is to quit talking and begin doing.

下的学Your limitation—it’s only your imagination.读懂的生Believe you can and you're halfway there.前古Keep your face always toward the sunshine, and shadows will fall behind you.

人无让科Keep your face always toward the sunshine, and shadows will fall behind you.意留Wake up with determination. Go to bed with satisfaction.

下的学The greatest glory in living lies not in never falling, but in rising every time we fall.

读懂的生Do something today that your future self will thank you for.前古Wake up with determination. Go to bed with satisfaction.

人无让科The way to get started is to quit talking and begin doing.意留Push yourself, because no one else is going to do it for you.

下的学Push yourself, because no one else is going to do it for you.读懂的生It’s going to be hard, but hard does not mean impossible.

(责任编辑：白山市)