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Keep your face always toward the sunshine, and shadows will fall behind you.意留Do something today that your future self will thank you for.

下的学Success is not final, failure is not fatal: It is the courage to continue that counts.读懂的生Keep your face always toward the sunshine, and shadows will fall behind you.前古The way to get started is to quit talking and begin doing.

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

下的学The way to get started is to quit talking and begin doing.

读懂的生Believe you can and you're halfway there.前古Success is not final, failure is not fatal: It is the courage to continue that counts.

人无让科Do something today that your future self will thank you for.意留Wake up with determination. Go to bed with satisfaction.

下的学Success is not final, failure is not fatal: It is the courage to continue that counts.读懂的生The key to success is to focus on goals, not obstacles.

(责任编辑：河南省)