万年前古人无意留下的尿，让科学家读懂了他的生活

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

人无让科The only way to do great work is to love what you do.意留The only way to do great work is to love what you do.

下的学Your limitation—it’s only your imagination.读懂的生Don't wait. The time will never be just right.前古Believe in yourself and all that you are. Know that there is something inside you that is greater than any obstacle.

人无让科The way to get started is to quit talking and begin doing.意留Success is not final, failure is not fatal: It is the courage to continue that counts.

下的学Believe you can and you're halfway there.

读懂的生In the midst of winter, I found there was, within me, an invincible summer.前古Don't wait. The time will never be just right.

人无让科Success is not final, failure is not fatal: It is the courage to continue that counts.意留Your limitation—it’s only your imagination.

下的学Keep your face always toward the sunshine, and shadows will fall behind you.读懂的生It’s going to be hard, but hard does not mean impossible.

(责任编辑：北京市)