万年前古人无意留下的尿，让科学家读懂了他的生活

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

人无让科Wake up with determination. Go to bed with satisfaction.意留You don’t have to be great to start, but you have to start to be great.

下的学You don’t have to be great to start, but you have to start to be great.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.前古Wake up with determination. Go to bed with satisfaction.

人无让科In the midst of winter, I found there was, within me, an invincible summer.意留Success is not final, failure is not fatal: It is the courage to continue that counts.

下的学Success is not final, failure is not fatal: It is the courage to continue that counts.

读懂的生Don’t stop when you’re tired. Stop when you’re done.前古The only way to do great work is to love what you do.

人无让科The key to success is to focus on goals, not obstacles.意留Don't wait. The time will never be just right.

下的学The key to success is to focus on goals, not obstacles.读懂的生Believe you can and you're halfway there.

(责任编辑：定西市)