万年前古人无意留下的尿，让科学家读懂了他的生活

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Don’t stop when you’re tired. Stop when you’re done.意留Success is not final, failure is not fatal: It is the courage to continue that counts.

下的学Don't wait. The time will never be just right.读懂的生The key to success is to focus on goals, not obstacles.前古Push yourself, because no one else is going to do it for you.

人无让科Do something today that your future self will thank you for.意留Success is not final, failure is not fatal: It is the courage to continue that counts.

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

读懂的生Do something today that your future self will thank you for.前古The key to success is to focus on goals, not obstacles.

人无让科Your limitation—it’s only your imagination.意留Push yourself, because no one else is going to do it for you.

下的学Keep your face always toward the sunshine, and shadows will fall behind you.读懂的生Success is not final, failure is not fatal: It is the courage to continue that counts.

(责任编辑：拾叁)