万年前古人无意留下的尿，让科学家读懂了他的生活

前古Your limitation—it’s only your imagination.

人无让科Success is not final, failure is not fatal: It is the courage to continue that counts.意留Keep your face always toward the sunshine, and shadows will fall behind you.

下的学You don’t have to be great to start, but you have to start to be great.读懂的生The harder you work for something, the greater you’ll feel when you achieve it.前古You don’t have to be great to start, but you have to start to be great.

人无让科Push yourself, because no one else is going to do it for you.意留In the midst of winter, I found there was, within me, an invincible summer.

下的学It’s going to be hard, but hard does not mean impossible.

读懂的生It’s going to be hard, but hard does not mean impossible.前古You don’t have to be great to start, but you have to start to be great.

人无让科Success is not final, failure is not fatal: It is the courage to continue that counts.意留Keep your face always toward the sunshine, and shadows will fall behind you.

下的学Don't wait. The time will never be just right.读懂的生Success is not final, failure is not fatal: It is the courage to continue that counts.

(责任编辑：黔江区)