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Push yourself, because no one else is going to do it for you.意留The greatest glory in living lies not in never falling, but in rising every time we fall.

下的学Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.读懂的生The greatest glory in living lies not in never falling, but in rising every time we fall.前古Your limitation—it’s only your imagination.

人无让科It’s going to be hard, but hard does not mean impossible.意留Believe you can and you're halfway there.

下的学Wake up with determination. Go to bed with satisfaction.

读懂的生The way to get started is to quit talking and begin doing.前古The way to get started is to quit talking and begin doing.

人无让科Keep your face always toward the sunshine, and shadows will fall behind you.意留The only way to do great work is to love what you do.

下的学Don’t stop when you’re tired. Stop when you’re done.读懂的生Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.