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Keep your face always toward the sunshine, and shadows will fall behind you.意留You don’t have to be great to start, but you have to start to be great.

下的学The key to success is to focus on goals, not obstacles.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Don’t stop when you’re tired. Stop when you’re done.意留Keep your face always toward the sunshine, and shadows will fall behind you.

下的学The only way to do great work is to love what you do.

读懂的生It’s going to be hard, but hard does not mean impossible.前古Wake up with determination. Go to bed with satisfaction.

人无让科Wake up with determination. Go to bed with satisfaction.意留The only way to do great work is to love what you do.

下的学Keep your face always toward the sunshine, and shadows will fall behind you.读懂的生Keep your face always toward the sunshine, and shadows will fall behind you.

(责任编辑：信阳市)