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The harder you work for something, the greater you’ll feel when you achieve it.意留Dream it. Wish it. Do it.

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

人无让科Don’t stop when you’re tired. Stop when you’re done.意留The way to get started is to quit talking and begin doing.

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

读懂的生Your limitation—it’s only your imagination.前古Success is not final, failure is not fatal: It is the courage to continue that counts.

人无让科Dream it. Wish it. Do it.意留In the midst of winter, I found there was, within me, an invincible summer.

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

(责任编辑：李俊杰)